Home / 20,001.72-27,601.92-11,049.24

Finding the Fourth Proportional to 20,001.72, 27,601.92 and 11,049.24

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Solution

The fourth proportional to 20,001.72, 27,601.92 and 11,049.24 is: 15,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.72 : 27,601.92 = 11,049.24 : x
  2. Step 2: Convert to fraction form
    20,001.72/27,601.92 = 11,049.24/x
  3. Step 3: Cross multiply
    20,001.72x = 27,601.92 × 11,049.24
  4. Step 4: Simplify right side
    20,001.72x = 304,980,238.54
  5. Step 5: Solve for x
    x = 304,980,238.54/20,001.72
  6. Step 6: Final answer
    x = 15,247.70

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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.