Home / 26,422.52-39,639.88-8,891.92

Finding the Fourth Proportional to 26,422.52, 39,639.88 and 8,891.92

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Solution

The fourth proportional to 26,422.52, 39,639.88 and 8,891.92 is: 13,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.52 : 39,639.88 = 8,891.92 : x
  2. Step 2: Convert to fraction form
    26,422.52/39,639.88 = 8,891.92/x
  3. Step 3: Cross multiply
    26,422.52x = 39,639.88 × 8,891.92
  4. Step 4: Simplify right side
    26,422.52x = 352,474,641.77
  5. Step 5: Solve for x
    x = 352,474,641.77/26,422.52
  6. Step 6: Final answer
    x = 13,339.93

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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.