Home / 27,517.68-37,976.28-16,766.64

Finding the Fourth Proportional to 27,517.68, 37,976.28 and 16,766.64

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Solution

The fourth proportional to 27,517.68, 37,976.28 and 16,766.64 is: 23,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.68 : 37,976.28 = 16,766.64 : x
  2. Step 2: Convert to fraction form
    27,517.68/37,976.28 = 16,766.64/x
  3. Step 3: Cross multiply
    27,517.68x = 37,976.28 × 16,766.64
  4. Step 4: Simplify right side
    27,517.68x = 636,734,615.30
  5. Step 5: Solve for x
    x = 636,734,615.30/27,517.68
  6. Step 6: Final answer
    x = 23,139.11

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Why These Related Problems?

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