Home / 27,791.00-38,351.35-15,043.92

Finding the Fourth Proportional to 27,791.00, 38,351.35 and 15,043.92

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Solution

The fourth proportional to 27,791.00, 38,351.35 and 15,043.92 is: 20,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.00 : 38,351.35 = 15,043.92 : x
  2. Step 2: Convert to fraction form
    27,791.00/38,351.35 = 15,043.92/x
  3. Step 3: Cross multiply
    27,791.00x = 38,351.35 × 15,043.92
  4. Step 4: Simplify right side
    27,791.00x = 576,954,710.33
  5. Step 5: Solve for x
    x = 576,954,710.33/27,791.00
  6. Step 6: Final answer
    x = 20,760.49

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1.5x scale

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.