Home / 15,425.28-23,137.92-3,738.48

Finding the Fourth Proportional to 15,425.28, 23,137.92 and 3,738.48

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Solution

The fourth proportional to 15,425.28, 23,137.92 and 3,738.48 is: 5,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.28 : 23,137.92 = 3,738.48 : x
  2. Step 2: Convert to fraction form
    15,425.28/23,137.92 = 3,738.48/x
  3. Step 3: Cross multiply
    15,425.28x = 23,137.92 × 3,738.48
  4. Step 4: Simplify right side
    15,425.28x = 86,500,651.16
  5. Step 5: Solve for x
    x = 86,500,651.16/15,425.28
  6. Step 6: Final answer
    x = 5,607.72

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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.