Home / 29,387.78-40,555.01-15,958.92

Finding the Fourth Proportional to 29,387.78, 40,555.01 and 15,958.92

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Solution

The fourth proportional to 29,387.78, 40,555.01 and 15,958.92 is: 22,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.78 : 40,555.01 = 15,958.92 : x
  2. Step 2: Convert to fraction form
    29,387.78/40,555.01 = 15,958.92/x
  3. Step 3: Cross multiply
    29,387.78x = 40,555.01 × 15,958.92
  4. Step 4: Simplify right side
    29,387.78x = 647,214,080.39
  5. Step 5: Solve for x
    x = 647,214,080.39/29,387.78
  6. Step 6: Final answer
    x = 22,023.24

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Double scale
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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.