Home / 29,387.28-40,554.31-15,958.42

Finding the Fourth Proportional to 29,387.28, 40,554.31 and 15,958.42

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Solution

The fourth proportional to 29,387.28, 40,554.31 and 15,958.42 is: 22,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.28 : 40,554.31 = 15,958.42 : x
  2. Step 2: Convert to fraction form
    29,387.28/40,554.31 = 15,958.42/x
  3. Step 3: Cross multiply
    29,387.28x = 40,554.31 × 15,958.42
  4. Step 4: Simplify right side
    29,387.28x = 647,182,711.79
  5. Step 5: Solve for x
    x = 647,182,711.79/29,387.28
  6. Step 6: Final answer
    x = 22,022.55

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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.