Home / 72.69-108.96-24.57

Finding the Fourth Proportional to 72.69, 108.96 and 24.57

Calculator

Solution

The fourth proportional to 72.69, 108.96 and 24.57 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.69 : 108.96 = 24.57 : x
  2. Step 2: Convert to fraction form
    72.69/108.96 = 24.57/x
  3. Step 3: Cross multiply
    72.69x = 108.96 × 24.57
  4. Step 4: Simplify right side
    72.69x = 2,677.15
  5. Step 5: Solve for x
    x = 2,677.15/72.69
  6. Step 6: Final answer
    x = 36.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.