Home / 25,766.64-35,553.60-15,691.68

Finding the Fourth Proportional to 25,766.64, 35,553.60 and 15,691.68

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Solution

The fourth proportional to 25,766.64, 35,553.60 and 15,691.68 is: 21,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.64 : 35,553.60 = 15,691.68 : x
  2. Step 2: Convert to fraction form
    25,766.64/35,553.60 = 15,691.68/x
  3. Step 3: Cross multiply
    25,766.64x = 35,553.60 × 15,691.68
  4. Step 4: Simplify right side
    25,766.64x = 557,895,714.05
  5. Step 5: Solve for x
    x = 557,895,714.05/25,766.64
  6. Step 6: Final answer
    x = 21,651.86

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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.