Home / 29,387.81-40,555.47-15,959.18

Finding the Fourth Proportional to 29,387.81, 40,555.47 and 15,959.18

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Solution

The fourth proportional to 29,387.81, 40,555.47 and 15,959.18 is: 22,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.81 : 40,555.47 = 15,959.18 : x
  2. Step 2: Convert to fraction form
    29,387.81/40,555.47 = 15,959.18/x
  3. Step 3: Cross multiply
    29,387.81x = 40,555.47 × 15,959.18
  4. Step 4: Simplify right side
    29,387.81x = 647,232,045.71
  5. Step 5: Solve for x
    x = 647,232,045.71/29,387.81
  6. Step 6: Final answer
    x = 22,023.83

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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.