Home / 28,760.52-43,159.22-13,961.38

Finding the Fourth Proportional to 28,760.52, 43,159.22 and 13,961.38

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Solution

The fourth proportional to 28,760.52, 43,159.22 and 13,961.38 is: 20,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.52 : 43,159.22 = 13,961.38 : x
  2. Step 2: Convert to fraction form
    28,760.52/43,159.22 = 13,961.38/x
  3. Step 3: Cross multiply
    28,760.52x = 43,159.22 × 13,961.38
  4. Step 4: Simplify right side
    28,760.52x = 602,562,270.92
  5. Step 5: Solve for x
    x = 602,562,270.92/28,760.52
  6. Step 6: Final answer
    x = 20,951.02

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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.