Home / 25,841.43-38,743.92-12,685.41

Finding the Fourth Proportional to 25,841.43, 38,743.92 and 12,685.41

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Solution

The fourth proportional to 25,841.43, 38,743.92 and 12,685.41 is: 19,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.43 : 38,743.92 = 12,685.41 : x
  2. Step 2: Convert to fraction form
    25,841.43/38,743.92 = 12,685.41/x
  3. Step 3: Cross multiply
    25,841.43x = 38,743.92 × 12,685.41
  4. Step 4: Simplify right side
    25,841.43x = 491,482,510.21
  5. Step 5: Solve for x
    x = 491,482,510.21/25,841.43
  6. Step 6: Final answer
    x = 19,019.17

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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.