Home / 27,963.99-41,867.50-20,976.52

Finding the Fourth Proportional to 27,963.99, 41,867.50 and 20,976.52

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Solution

The fourth proportional to 27,963.99, 41,867.50 and 20,976.52 is: 31,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.99 : 41,867.50 = 20,976.52 : x
  2. Step 2: Convert to fraction form
    27,963.99/41,867.50 = 20,976.52/x
  3. Step 3: Cross multiply
    27,963.99x = 41,867.50 × 20,976.52
  4. Step 4: Simplify right side
    27,963.99x = 878,234,451.10
  5. Step 5: Solve for x
    x = 878,234,451.10/27,963.99
  6. Step 6: Final answer
    x = 31,405.91

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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.