Home / 28,957.10-43,414.38-9,224.28

Finding the Fourth Proportional to 28,957.10, 43,414.38 and 9,224.28

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Solution

The fourth proportional to 28,957.10, 43,414.38 and 9,224.28 is: 13,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.10 : 43,414.38 = 9,224.28 : x
  2. Step 2: Convert to fraction form
    28,957.10/43,414.38 = 9,224.28/x
  3. Step 3: Cross multiply
    28,957.10x = 43,414.38 × 9,224.28
  4. Step 4: Simplify right side
    28,957.10x = 400,466,397.15
  5. Step 5: Solve for x
    x = 400,466,397.15/28,957.10
  6. Step 6: Final answer
    x = 13,829.65

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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.