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Finding the Fourth Proportional to 61,926.67, 92,890.02 and 15,179.14

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Solution

The fourth proportional to 61,926.67, 92,890.02 and 15,179.14 is: 22,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.67 : 92,890.02 = 15,179.14 : x
  2. Step 2: Convert to fraction form
    61,926.67/92,890.02 = 15,179.14/x
  3. Step 3: Cross multiply
    61,926.67x = 92,890.02 × 15,179.14
  4. Step 4: Simplify right side
    61,926.67x = 1,409,990,618.18
  5. Step 5: Solve for x
    x = 1,409,990,618.18/61,926.67
  6. Step 6: Final answer
    x = 22,768.71

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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.