Home / 20,244.65-27,931.42-11,743.82

Finding the Fourth Proportional to 20,244.65, 27,931.42 and 11,743.82

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Solution

The fourth proportional to 20,244.65, 27,931.42 and 11,743.82 is: 16,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.65 : 27,931.42 = 11,743.82 : x
  2. Step 2: Convert to fraction form
    20,244.65/27,931.42 = 11,743.82/x
  3. Step 3: Cross multiply
    20,244.65x = 27,931.42 × 11,743.82
  4. Step 4: Simplify right side
    20,244.65x = 328,021,568.82
  5. Step 5: Solve for x
    x = 328,021,568.82/20,244.65
  6. Step 6: Final answer
    x = 16,202.88

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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.