Home / 25,891.30-35,691.96-18,314.29

Finding the Fourth Proportional to 25,891.30, 35,691.96 and 18,314.29

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Solution

The fourth proportional to 25,891.30, 35,691.96 and 18,314.29 is: 25,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.30 : 35,691.96 = 18,314.29 : x
  2. Step 2: Convert to fraction form
    25,891.30/35,691.96 = 18,314.29/x
  3. Step 3: Cross multiply
    25,891.30x = 35,691.96 × 18,314.29
  4. Step 4: Simplify right side
    25,891.30x = 653,672,906.11
  5. Step 5: Solve for x
    x = 653,672,906.11/25,891.30
  6. Step 6: Final answer
    x = 25,246.82

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1.5x scale

Why These Related Problems?

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