Home / 27,571.20-41,356.78-11,988.82

Finding the Fourth Proportional to 27,571.20, 41,356.78 and 11,988.82

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Solution

The fourth proportional to 27,571.20, 41,356.78 and 11,988.82 is: 17,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.20 : 41,356.78 = 11,988.82 : x
  2. Step 2: Convert to fraction form
    27,571.20/41,356.78 = 11,988.82/x
  3. Step 3: Cross multiply
    27,571.20x = 41,356.78 × 11,988.82
  4. Step 4: Simplify right side
    27,571.20x = 495,818,991.20
  5. Step 5: Solve for x
    x = 495,818,991.20/27,571.20
  6. Step 6: Final answer
    x = 17,983.22

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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.