Home / 20,207.26-27,863.73-13,834.90

Finding the Fourth Proportional to 20,207.26, 27,863.73 and 13,834.90

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Solution

The fourth proportional to 20,207.26, 27,863.73 and 13,834.90 is: 19,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.26 : 27,863.73 = 13,834.90 : x
  2. Step 2: Convert to fraction form
    20,207.26/27,863.73 = 13,834.90/x
  3. Step 3: Cross multiply
    20,207.26x = 27,863.73 × 13,834.90
  4. Step 4: Simplify right side
    20,207.26x = 385,491,918.18
  5. Step 5: Solve for x
    x = 385,491,918.18/20,207.26
  6. Step 6: Final answer
    x = 19,076.90

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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.