Home / 27,143.88-40,716.36-17,843.22

Finding the Fourth Proportional to 27,143.88, 40,716.36 and 17,843.22

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Solution

The fourth proportional to 27,143.88, 40,716.36 and 17,843.22 is: 26,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.88 : 40,716.36 = 17,843.22 : x
  2. Step 2: Convert to fraction form
    27,143.88/40,716.36 = 17,843.22/x
  3. Step 3: Cross multiply
    27,143.88x = 40,716.36 × 17,843.22
  4. Step 4: Simplify right side
    27,143.88x = 726,510,969.08
  5. Step 5: Solve for x
    x = 726,510,969.08/27,143.88
  6. Step 6: Final answer
    x = 26,765.18

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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.