Home / 28,363.97-42,481.16-13,583.27

Finding the Fourth Proportional to 28,363.97, 42,481.16 and 13,583.27

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Solution

The fourth proportional to 28,363.97, 42,481.16 and 13,583.27 is: 20,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.97 : 42,481.16 = 13,583.27 : x
  2. Step 2: Convert to fraction form
    28,363.97/42,481.16 = 13,583.27/x
  3. Step 3: Cross multiply
    28,363.97x = 42,481.16 × 13,583.27
  4. Step 4: Simplify right side
    28,363.97x = 577,032,998.28
  5. Step 5: Solve for x
    x = 577,032,998.28/28,363.97
  6. Step 6: Final answer
    x = 20,343.87

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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.