Home / 17,770.38-26,650.92-5,287.08

Finding the Fourth Proportional to 17,770.38, 26,650.92 and 5,287.08

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Solution

The fourth proportional to 17,770.38, 26,650.92 and 5,287.08 is: 7,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.38 : 26,650.92 = 5,287.08 : x
  2. Step 2: Convert to fraction form
    17,770.38/26,650.92 = 5,287.08/x
  3. Step 3: Cross multiply
    17,770.38x = 26,650.92 × 5,287.08
  4. Step 4: Simplify right side
    17,770.38x = 140,905,546.11
  5. Step 5: Solve for x
    x = 140,905,546.11/17,770.38
  6. Step 6: Final answer
    x = 7,929.24

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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.