Home / 27,813.88-41,720.82-18,472.14

Finding the Fourth Proportional to 27,813.88, 41,720.82 and 18,472.14

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Solution

The fourth proportional to 27,813.88, 41,720.82 and 18,472.14 is: 27,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.88 : 41,720.82 = 18,472.14 : x
  2. Step 2: Convert to fraction form
    27,813.88/41,720.82 = 18,472.14/x
  3. Step 3: Cross multiply
    27,813.88x = 41,720.82 × 18,472.14
  4. Step 4: Simplify right side
    27,813.88x = 770,672,735.59
  5. Step 5: Solve for x
    x = 770,672,735.59/27,813.88
  6. Step 6: Final answer
    x = 27,708.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.