Home / 29,517.48-40,724.10-18,028.20

Finding the Fourth Proportional to 29,517.48, 40,724.10 and 18,028.20

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Solution

The fourth proportional to 29,517.48, 40,724.10 and 18,028.20 is: 24,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,517.48 : 40,724.10 = 18,028.20 : x
  2. Step 2: Convert to fraction form
    29,517.48/40,724.10 = 18,028.20/x
  3. Step 3: Cross multiply
    29,517.48x = 40,724.10 × 18,028.20
  4. Step 4: Simplify right side
    29,517.48x = 734,182,219.62
  5. Step 5: Solve for x
    x = 734,182,219.62/29,517.48
  6. Step 6: Final answer
    x = 24,872.79

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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.