Home / 25,755.57-38,558.03-19,540.10

Finding the Fourth Proportional to 25,755.57, 38,558.03 and 19,540.10

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Solution

The fourth proportional to 25,755.57, 38,558.03 and 19,540.10 is: 29,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.57 : 38,558.03 = 19,540.10 : x
  2. Step 2: Convert to fraction form
    25,755.57/38,558.03 = 19,540.10/x
  3. Step 3: Cross multiply
    25,755.57x = 38,558.03 × 19,540.10
  4. Step 4: Simplify right side
    25,755.57x = 753,427,760.70
  5. Step 5: Solve for x
    x = 753,427,760.70/25,755.57
  6. Step 6: Final answer
    x = 29,253.00

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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.