Home / 25,494.05-35,184.15-15,424.97

Finding the Fourth Proportional to 25,494.05, 35,184.15 and 15,424.97

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Solution

The fourth proportional to 25,494.05, 35,184.15 and 15,424.97 is: 21,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.05 : 35,184.15 = 15,424.97 : x
  2. Step 2: Convert to fraction form
    25,494.05/35,184.15 = 15,424.97/x
  3. Step 3: Cross multiply
    25,494.05x = 35,184.15 × 15,424.97
  4. Step 4: Simplify right side
    25,494.05x = 542,714,282.30
  5. Step 5: Solve for x
    x = 542,714,282.30/25,494.05
  6. Step 6: Final answer
    x = 21,287.88

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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.