Home / 34,002.40-51,003.60-10,629.28

Finding the Fourth Proportional to 34,002.40, 51,003.60 and 10,629.28

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Solution

The fourth proportional to 34,002.40, 51,003.60 and 10,629.28 is: 15,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002.40 : 51,003.60 = 10,629.28 : x
  2. Step 2: Convert to fraction form
    34,002.40/51,003.60 = 10,629.28/x
  3. Step 3: Cross multiply
    34,002.40x = 51,003.60 × 10,629.28
  4. Step 4: Simplify right side
    34,002.40x = 542,131,545.41
  5. Step 5: Solve for x
    x = 542,131,545.41/34,002.40
  6. Step 6: Final answer
    x = 15,943.92

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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.