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Finding the Fourth Proportional to 26,662, 36,793.56 and 15,484.72

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Solution

The fourth proportional to 26,662, 36,793.56 and 15,484.72 is: 21,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662 : 36,793.56 = 15,484.72 : x
  2. Step 2: Convert to fraction form
    26,662/36,793.56 = 15,484.72/x
  3. Step 3: Cross multiply
    26,662x = 36,793.56 × 15,484.72
  4. Step 4: Simplify right side
    26,662x = 569,737,974.40
  5. Step 5: Solve for x
    x = 569,737,974.40/26,662
  6. Step 6: Final answer
    x = 21,368.91

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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.