Home / 25,358.43-38,043.88-8,718.71

Finding the Fourth Proportional to 25,358.43, 38,043.88 and 8,718.71

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Solution

The fourth proportional to 25,358.43, 38,043.88 and 8,718.71 is: 13,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.43 : 38,043.88 = 8,718.71 : x
  2. Step 2: Convert to fraction form
    25,358.43/38,043.88 = 8,718.71/x
  3. Step 3: Cross multiply
    25,358.43x = 38,043.88 × 8,718.71
  4. Step 4: Simplify right side
    25,358.43x = 331,693,344.98
  5. Step 5: Solve for x
    x = 331,693,344.98/25,358.43
  6. Step 6: Final answer
    x = 13,080.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.