Home / 17,921.48-26,882.18-4,773.90

Finding the Fourth Proportional to 17,921.48, 26,882.18 and 4,773.90

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Solution

The fourth proportional to 17,921.48, 26,882.18 and 4,773.90 is: 7,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.48 : 26,882.18 = 4,773.90 : x
  2. Step 2: Convert to fraction form
    17,921.48/26,882.18 = 4,773.90/x
  3. Step 3: Cross multiply
    17,921.48x = 26,882.18 × 4,773.90
  4. Step 4: Simplify right side
    17,921.48x = 128,332,839.10
  5. Step 5: Solve for x
    x = 128,332,839.10/17,921.48
  6. Step 6: Final answer
    x = 7,160.84

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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.