Home / 27,326.57-40,995.61-8,857.13

Finding the Fourth Proportional to 27,326.57, 40,995.61 and 8,857.13

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Solution

The fourth proportional to 27,326.57, 40,995.61 and 8,857.13 is: 13,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.57 : 40,995.61 = 8,857.13 : x
  2. Step 2: Convert to fraction form
    27,326.57/40,995.61 = 8,857.13/x
  3. Step 3: Cross multiply
    27,326.57x = 40,995.61 × 8,857.13
  4. Step 4: Simplify right side
    27,326.57x = 363,103,220.08
  5. Step 5: Solve for x
    x = 363,103,220.08/27,326.57
  6. Step 6: Final answer
    x = 13,287.55

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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.