Home / 27,836.85-41,759.03-8,115.25

Finding the Fourth Proportional to 27,836.85, 41,759.03 and 8,115.25

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Solution

The fourth proportional to 27,836.85, 41,759.03 and 8,115.25 is: 12,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.85 : 41,759.03 = 8,115.25 : x
  2. Step 2: Convert to fraction form
    27,836.85/41,759.03 = 8,115.25/x
  3. Step 3: Cross multiply
    27,836.85x = 41,759.03 × 8,115.25
  4. Step 4: Simplify right side
    27,836.85x = 338,884,968.21
  5. Step 5: Solve for x
    x = 338,884,968.21/27,836.85
  6. Step 6: Final answer
    x = 12,173.97

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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.