Home / 29,708.28-40,997.88-16,279.43

Finding the Fourth Proportional to 29,708.28, 40,997.88 and 16,279.43

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Solution

The fourth proportional to 29,708.28, 40,997.88 and 16,279.43 is: 22,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.28 : 40,997.88 = 16,279.43 : x
  2. Step 2: Convert to fraction form
    29,708.28/40,997.88 = 16,279.43/x
  3. Step 3: Cross multiply
    29,708.28x = 40,997.88 × 16,279.43
  4. Step 4: Simplify right side
    29,708.28x = 667,421,912.62
  5. Step 5: Solve for x
    x = 667,421,912.62/29,708.28
  6. Step 6: Final answer
    x = 22,465.86

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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.