# 4% of what number is 15?

Apr 22, 2018

The number is $37.5$

#### Explanation:

You can write an equation and solve it:

4% "of something" = 15

$\frac{4}{100} \times x = 15$

$x = \frac{15 \times 100}{4}$

$x = 37.5$

You can also write a direct proportion:

4/15 = 100/x" "(larr"percent")/(larr " number")

$x = \frac{15 \times 100}{4}$

$= 37.5$