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Finding the Fourth Proportional to 61,902.96, 92,853.53 and 15,155.84

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Solution

The fourth proportional to 61,902.96, 92,853.53 and 15,155.84 is: 22,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.96 : 92,853.53 = 15,155.84 : x
  2. Step 2: Convert to fraction form
    61,902.96/92,853.53 = 15,155.84/x
  3. Step 3: Cross multiply
    61,902.96x = 92,853.53 × 15,155.84
  4. Step 4: Simplify right side
    61,902.96x = 1,407,273,244.12
  5. Step 5: Solve for x
    x = 1,407,273,244.12/61,902.96
  6. Step 6: Final answer
    x = 22,733.54

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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.