Home / 27,581.89-41,382.86-13,540.44

Finding the Fourth Proportional to 27,581.89, 41,382.86 and 13,540.44

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Solution

The fourth proportional to 27,581.89, 41,382.86 and 13,540.44 is: 20,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.89 : 41,382.86 = 13,540.44 : x
  2. Step 2: Convert to fraction form
    27,581.89/41,382.86 = 13,540.44/x
  3. Step 3: Cross multiply
    27,581.89x = 41,382.86 × 13,540.44
  4. Step 4: Simplify right side
    27,581.89x = 560,342,132.86
  5. Step 5: Solve for x
    x = 560,342,132.86/27,581.89
  6. Step 6: Final answer
    x = 20,315.58

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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.