What is the next number in the pattern, 0.4, 1.2, 3.6, 10.8?

1 Answer
Aug 19, 2016

32.4

Explanation:

Consider the ratios of consecutive numbers in the sequence as follows:

#1.2/0.4 = 3#

#3.6/1.2=3#

#10.8/3.6=3#

Hence, the sequence is a geometric progression with a common ratio of 3.

Therefore the next number in the sequence would be:

#10.8 xx 3= 32.4#