Home / 29,387.90-40,555.38-15,959.38

Finding the Fourth Proportional to 29,387.90, 40,555.38 and 15,959.38

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Solution

The fourth proportional to 29,387.90, 40,555.38 and 15,959.38 is: 22,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.90 : 40,555.38 = 15,959.38 : x
  2. Step 2: Convert to fraction form
    29,387.90/40,555.38 = 15,959.38/x
  3. Step 3: Cross multiply
    29,387.90x = 40,555.38 × 15,959.38
  4. Step 4: Simplify right side
    29,387.90x = 647,238,720.46
  5. Step 5: Solve for x
    x = 647,238,720.46/29,387.90
  6. Step 6: Final answer
    x = 22,023.99

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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.