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Finding the Fourth Proportional to 18,753.48, 25,884.10 and 10,800.28

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Solution

The fourth proportional to 18,753.48, 25,884.10 and 10,800.28 is: 14,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.48 : 25,884.10 = 10,800.28 : x
  2. Step 2: Convert to fraction form
    18,753.48/25,884.10 = 10,800.28/x
  3. Step 3: Cross multiply
    18,753.48x = 25,884.10 × 10,800.28
  4. Step 4: Simplify right side
    18,753.48x = 279,555,527.55
  5. Step 5: Solve for x
    x = 279,555,527.55/18,753.48
  6. Step 6: Final answer
    x = 14,906.86

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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.