Home / 29,917.88-41,286.94-16,489.60

Finding the Fourth Proportional to 29,917.88, 41,286.94 and 16,489.60

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Solution

The fourth proportional to 29,917.88, 41,286.94 and 16,489.60 is: 22,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.88 : 41,286.94 = 16,489.60 : x
  2. Step 2: Convert to fraction form
    29,917.88/41,286.94 = 16,489.60/x
  3. Step 3: Cross multiply
    29,917.88x = 41,286.94 × 16,489.60
  4. Step 4: Simplify right side
    29,917.88x = 680,805,125.82
  5. Step 5: Solve for x
    x = 680,805,125.82/29,917.88
  6. Step 6: Final answer
    x = 22,755.79

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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.