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Finding the Fourth Proportional to 28,601, 42,924.54 and 14,753.96

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Solution

The fourth proportional to 28,601, 42,924.54 and 14,753.96 is: 22,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601 : 42,924.54 = 14,753.96 : x
  2. Step 2: Convert to fraction form
    28,601/42,924.54 = 14,753.96/x
  3. Step 3: Cross multiply
    28,601x = 42,924.54 × 14,753.96
  4. Step 4: Simplify right side
    28,601x = 633,306,946.18
  5. Step 5: Solve for x
    x = 633,306,946.18/28,601
  6. Step 6: Final answer
    x = 22,142.83

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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.