Home / 25,934.46-38,905.29-8,398.62

Finding the Fourth Proportional to 25,934.46, 38,905.29 and 8,398.62

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Solution

The fourth proportional to 25,934.46, 38,905.29 and 8,398.62 is: 12,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,934.46 : 38,905.29 = 8,398.62 : x
  2. Step 2: Convert to fraction form
    25,934.46/38,905.29 = 8,398.62/x
  3. Step 3: Cross multiply
    25,934.46x = 38,905.29 × 8,398.62
  4. Step 4: Simplify right side
    25,934.46x = 326,750,746.70
  5. Step 5: Solve for x
    x = 326,750,746.70/25,934.46
  6. Step 6: Final answer
    x = 12,599.10

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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.