Home / 16,717.28-25,077.92-5,028.80

Finding the Fourth Proportional to 16,717.28, 25,077.92 and 5,028.80

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Solution

The fourth proportional to 16,717.28, 25,077.92 and 5,028.80 is: 7,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.28 : 25,077.92 = 5,028.80 : x
  2. Step 2: Convert to fraction form
    16,717.28/25,077.92 = 5,028.80/x
  3. Step 3: Cross multiply
    16,717.28x = 25,077.92 × 5,028.80
  4. Step 4: Simplify right side
    16,717.28x = 126,111,844.10
  5. Step 5: Solve for x
    x = 126,111,844.10/16,717.28
  6. Step 6: Final answer
    x = 7,543.80

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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.