Home / 27,689.55-41,540.40-8,966.40

Finding the Fourth Proportional to 27,689.55, 41,540.40 and 8,966.40

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Solution

The fourth proportional to 27,689.55, 41,540.40 and 8,966.40 is: 13,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.55 : 41,540.40 = 8,966.40 : x
  2. Step 2: Convert to fraction form
    27,689.55/41,540.40 = 8,966.40/x
  3. Step 3: Cross multiply
    27,689.55x = 41,540.40 × 8,966.40
  4. Step 4: Simplify right side
    27,689.55x = 372,467,842.56
  5. Step 5: Solve for x
    x = 372,467,842.56/27,689.55
  6. Step 6: Final answer
    x = 13,451.57

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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.