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Finding the Fourth Proportional to 62,614, 93,926.47 and 15,866.88

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Solution

The fourth proportional to 62,614, 93,926.47 and 15,866.88 is: 23,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,614 : 93,926.47 = 15,866.88 : x
  2. Step 2: Convert to fraction form
    62,614/93,926.47 = 15,866.88/x
  3. Step 3: Cross multiply
    62,614x = 93,926.47 × 15,866.88
  4. Step 4: Simplify right side
    62,614x = 1,490,320,028.31
  5. Step 5: Solve for x
    x = 1,490,320,028.31/62,614
  6. Step 6: Final answer
    x = 23,801.71

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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.