Home / 20,001.62-27,601.71-11,047.68

Finding the Fourth Proportional to 20,001.62, 27,601.71 and 11,047.68

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Solution

The fourth proportional to 20,001.62, 27,601.71 and 11,047.68 is: 15,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.62 : 27,601.71 = 11,047.68 : x
  2. Step 2: Convert to fraction form
    20,001.62/27,601.71 = 11,047.68/x
  3. Step 3: Cross multiply
    20,001.62x = 27,601.71 × 11,047.68
  4. Step 4: Simplify right side
    20,001.62x = 304,934,859.53
  5. Step 5: Solve for x
    x = 304,934,859.53/20,001.62
  6. Step 6: Final answer
    x = 15,245.51

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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.