Home / 29,380.72-40,545.25-15,951.87

Finding the Fourth Proportional to 29,380.72, 40,545.25 and 15,951.87

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Solution

The fourth proportional to 29,380.72, 40,545.25 and 15,951.87 is: 22,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.72 : 40,545.25 = 15,951.87 : x
  2. Step 2: Convert to fraction form
    29,380.72/40,545.25 = 15,951.87/x
  3. Step 3: Cross multiply
    29,380.72x = 40,545.25 × 15,951.87
  4. Step 4: Simplify right side
    29,380.72x = 646,772,557.12
  5. Step 5: Solve for x
    x = 646,772,557.12/29,380.72
  6. Step 6: Final answer
    x = 22,013.50

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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.