Home / 27,513.18-41,245.29-11,922.30

Finding the Fourth Proportional to 27,513.18, 41,245.29 and 11,922.30

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Solution

The fourth proportional to 27,513.18, 41,245.29 and 11,922.30 is: 17,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.18 : 41,245.29 = 11,922.30 : x
  2. Step 2: Convert to fraction form
    27,513.18/41,245.29 = 11,922.30/x
  3. Step 3: Cross multiply
    27,513.18x = 41,245.29 × 11,922.30
  4. Step 4: Simplify right side
    27,513.18x = 491,738,720.97
  5. Step 5: Solve for x
    x = 491,738,720.97/27,513.18
  6. Step 6: Final answer
    x = 17,872.84

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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.