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Finding the Fourth Proportional to 61,902.95, 92,856.24 and 15,155.82

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Solution

The fourth proportional to 61,902.95, 92,856.24 and 15,155.82 is: 22,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.95 : 92,856.24 = 15,155.82 : x
  2. Step 2: Convert to fraction form
    61,902.95/92,856.24 = 15,155.82/x
  3. Step 3: Cross multiply
    61,902.95x = 92,856.24 × 15,155.82
  4. Step 4: Simplify right side
    61,902.95x = 1,407,312,459.32
  5. Step 5: Solve for x
    x = 1,407,312,459.32/61,902.95
  6. Step 6: Final answer
    x = 22,734.18

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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.