Home / 29,387.31-40,554.78-15,958.68

Finding the Fourth Proportional to 29,387.31, 40,554.78 and 15,958.68

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Solution

The fourth proportional to 29,387.31, 40,554.78 and 15,958.68 is: 22,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.31 : 40,554.78 = 15,958.68 : x
  2. Step 2: Convert to fraction form
    29,387.31/40,554.78 = 15,958.68/x
  3. Step 3: Cross multiply
    29,387.31x = 40,554.78 × 15,958.68
  4. Step 4: Simplify right side
    29,387.31x = 647,200,473.92
  5. Step 5: Solve for x
    x = 647,200,473.92/29,387.31
  6. Step 6: Final answer
    x = 22,023.13

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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.