Home / 29,414.72-40,592.36-15,986.12

Finding the Fourth Proportional to 29,414.72, 40,592.36 and 15,986.12

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Solution

The fourth proportional to 29,414.72, 40,592.36 and 15,986.12 is: 22,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.72 : 40,592.36 = 15,986.12 : x
  2. Step 2: Convert to fraction form
    29,414.72/40,592.36 = 15,986.12/x
  3. Step 3: Cross multiply
    29,414.72x = 40,592.36 × 15,986.12
  4. Step 4: Simplify right side
    29,414.72x = 648,914,338.04
  5. Step 5: Solve for x
    x = 648,914,338.04/29,414.72
  6. Step 6: Final answer
    x = 22,060.87

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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.