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Finding the Fourth Proportional to 18,229.92, 25,152.87 and 10,272.15

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Solution

The fourth proportional to 18,229.92, 25,152.87 and 10,272.15 is: 14,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.92 : 25,152.87 = 10,272.15 : x
  2. Step 2: Convert to fraction form
    18,229.92/25,152.87 = 10,272.15/x
  3. Step 3: Cross multiply
    18,229.92x = 25,152.87 × 10,272.15
  4. Step 4: Simplify right side
    18,229.92x = 258,374,053.57
  5. Step 5: Solve for x
    x = 258,374,053.57/18,229.92
  6. Step 6: Final answer
    x = 14,173.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.