Home / 25,702.27-35,489.24-19,724.47

Finding the Fourth Proportional to 25,702.27, 35,489.24 and 19,724.47

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Solution

The fourth proportional to 25,702.27, 35,489.24 and 19,724.47 is: 27,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.27 : 35,489.24 = 19,724.47 : x
  2. Step 2: Convert to fraction form
    25,702.27/35,489.24 = 19,724.47/x
  3. Step 3: Cross multiply
    25,702.27x = 35,489.24 × 19,724.47
  4. Step 4: Simplify right side
    25,702.27x = 700,006,449.70
  5. Step 5: Solve for x
    x = 700,006,449.70/25,702.27
  6. Step 6: Final answer
    x = 27,235.20

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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.