Home / 27,712.73-41,575.23-7,989.74

Finding the Fourth Proportional to 27,712.73, 41,575.23 and 7,989.74

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Solution

The fourth proportional to 27,712.73, 41,575.23 and 7,989.74 is: 11,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.73 : 41,575.23 = 7,989.74 : x
  2. Step 2: Convert to fraction form
    27,712.73/41,575.23 = 7,989.74/x
  3. Step 3: Cross multiply
    27,712.73x = 41,575.23 × 7,989.74
  4. Step 4: Simplify right side
    27,712.73x = 332,175,382.08
  5. Step 5: Solve for x
    x = 332,175,382.08/27,712.73
  6. Step 6: Final answer
    x = 11,986.38

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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.