Home / 29,380.50-40,545.30-15,951.90

Finding the Fourth Proportional to 29,380.50, 40,545.30 and 15,951.90

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Solution

The fourth proportional to 29,380.50, 40,545.30 and 15,951.90 is: 22,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.50 : 40,545.30 = 15,951.90 : x
  2. Step 2: Convert to fraction form
    29,380.50/40,545.30 = 15,951.90/x
  3. Step 3: Cross multiply
    29,380.50x = 40,545.30 × 15,951.90
  4. Step 4: Simplify right side
    29,380.50x = 646,774,571.07
  5. Step 5: Solve for x
    x = 646,774,571.07/29,380.50
  6. Step 6: Final answer
    x = 22,013.74

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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.