Home / 17,868.28-26,800.36-4,721.68

Finding the Fourth Proportional to 17,868.28, 26,800.36 and 4,721.68

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Solution

The fourth proportional to 17,868.28, 26,800.36 and 4,721.68 is: 7,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.28 : 26,800.36 = 4,721.68 : x
  2. Step 2: Convert to fraction form
    17,868.28/26,800.36 = 4,721.68/x
  3. Step 3: Cross multiply
    17,868.28x = 26,800.36 × 4,721.68
  4. Step 4: Simplify right side
    17,868.28x = 126,542,723.80
  5. Step 5: Solve for x
    x = 126,542,723.80/17,868.28
  6. Step 6: Final answer
    x = 7,081.98

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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.