Home / 20,286.38-27,995.26-11,334.22

Finding the Fourth Proportional to 20,286.38, 27,995.26 and 11,334.22

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Solution

The fourth proportional to 20,286.38, 27,995.26 and 11,334.22 is: 15,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.38 : 27,995.26 = 11,334.22 : x
  2. Step 2: Convert to fraction form
    20,286.38/27,995.26 = 11,334.22/x
  3. Step 3: Cross multiply
    20,286.38x = 27,995.26 × 11,334.22
  4. Step 4: Simplify right side
    20,286.38x = 317,304,435.80
  5. Step 5: Solve for x
    x = 317,304,435.80/20,286.38
  6. Step 6: Final answer
    x = 15,641.25

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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.