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Finding the Fourth Proportional to 62,613, 93,924.97 and 15,865.88

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Solution

The fourth proportional to 62,613, 93,924.97 and 15,865.88 is: 23,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,613 : 93,924.97 = 15,865.88 : x
  2. Step 2: Convert to fraction form
    62,613/93,924.97 = 15,865.88/x
  3. Step 3: Cross multiply
    62,613x = 93,924.97 × 15,865.88
  4. Step 4: Simplify right side
    62,613x = 1,490,201,793.73
  5. Step 5: Solve for x
    x = 1,490,201,793.73/62,613
  6. Step 6: Final answer
    x = 23,800.20

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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.