Home / 17,688.08-24,432.36-15,372.56

Finding the Fourth Proportional to 17,688.08, 24,432.36 and 15,372.56

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Solution

The fourth proportional to 17,688.08, 24,432.36 and 15,372.56 is: 21,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.08 : 24,432.36 = 15,372.56 : x
  2. Step 2: Convert to fraction form
    17,688.08/24,432.36 = 15,372.56/x
  3. Step 3: Cross multiply
    17,688.08x = 24,432.36 × 15,372.56
  4. Step 4: Simplify right side
    17,688.08x = 375,587,920.04
  5. Step 5: Solve for x
    x = 375,587,920.04/17,688.08
  6. Step 6: Final answer
    x = 21,233.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.