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Finding the Fourth Proportional to 38,573.62, 57,863 and 14,892.46

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Solution

The fourth proportional to 38,573.62, 57,863 and 14,892.46 is: 22,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.62 : 57,863 = 14,892.46 : x
  2. Step 2: Convert to fraction form
    38,573.62/57,863 = 14,892.46/x
  3. Step 3: Cross multiply
    38,573.62x = 57,863 × 14,892.46
  4. Step 4: Simplify right side
    38,573.62x = 861,722,412.98
  5. Step 5: Solve for x
    x = 861,722,412.98/38,573.62
  6. Step 6: Final answer
    x = 22,339.68

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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.