Home / 17,678.70-26,517.45-4,531.20

Finding the Fourth Proportional to 17,678.70, 26,517.45 and 4,531.20

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Solution

The fourth proportional to 17,678.70, 26,517.45 and 4,531.20 is: 6,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.70 : 26,517.45 = 4,531.20 : x
  2. Step 2: Convert to fraction form
    17,678.70/26,517.45 = 4,531.20/x
  3. Step 3: Cross multiply
    17,678.70x = 26,517.45 × 4,531.20
  4. Step 4: Simplify right side
    17,678.70x = 120,155,869.44
  5. Step 5: Solve for x
    x = 120,155,869.44/17,678.70
  6. Step 6: Final answer
    x = 6,796.65

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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.