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Finding the Fourth Proportional to 37,385.52, 56,022.87 and 15,171.87

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Solution

The fourth proportional to 37,385.52, 56,022.87 and 15,171.87 is: 22,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.52 : 56,022.87 = 15,171.87 : x
  2. Step 2: Convert to fraction form
    37,385.52/56,022.87 = 15,171.87/x
  3. Step 3: Cross multiply
    37,385.52x = 56,022.87 × 15,171.87
  4. Step 4: Simplify right side
    37,385.52x = 849,971,700.67
  5. Step 5: Solve for x
    x = 849,971,700.67/37,385.52
  6. Step 6: Final answer
    x = 22,735.32

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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.