[tex]\begin{gathered} \text{ If we note "x" to the missing value, we have} \\ \frac{5}{x}=\frac{15}{24} \\ 5=\frac{15x}{24} \\ \frac{5}{15}\cdot24=x \\ x=\frac{24}{3} \\ x=8 \\ \\ \text{ thus} \\ \frac{5}{8}=\frac{15}{24} \end{gathered}[/tex]
The answer is 8
