Home / 17,921.76-26,882.68-5,441.88

Finding the Fourth Proportional to 17,921.76, 26,882.68 and 5,441.88

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Solution

The fourth proportional to 17,921.76, 26,882.68 and 5,441.88 is: 8,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.76 : 26,882.68 = 5,441.88 : x
  2. Step 2: Convert to fraction form
    17,921.76/26,882.68 = 5,441.88/x
  3. Step 3: Cross multiply
    17,921.76x = 26,882.68 × 5,441.88
  4. Step 4: Simplify right side
    17,921.76x = 146,292,318.64
  5. Step 5: Solve for x
    x = 146,292,318.64/17,921.76
  6. Step 6: Final answer
    x = 8,162.83

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1.5x scale

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.