Home / 27,881.35-38,458.76-16,542.82

Finding the Fourth Proportional to 27,881.35, 38,458.76 and 16,542.82

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Solution

The fourth proportional to 27,881.35, 38,458.76 and 16,542.82 is: 22,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.35 : 38,458.76 = 16,542.82 : x
  2. Step 2: Convert to fraction form
    27,881.35/38,458.76 = 16,542.82/x
  3. Step 3: Cross multiply
    27,881.35x = 38,458.76 × 16,542.82
  4. Step 4: Simplify right side
    27,881.35x = 636,216,344.10
  5. Step 5: Solve for x
    x = 636,216,344.10/27,881.35
  6. Step 6: Final answer
    x = 22,818.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.