Home / 27,965.70-41,839.20-18,124.20

Finding the Fourth Proportional to 27,965.70, 41,839.20 and 18,124.20

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Solution

The fourth proportional to 27,965.70, 41,839.20 and 18,124.20 is: 27,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.70 : 41,839.20 = 18,124.20 : x
  2. Step 2: Convert to fraction form
    27,965.70/41,839.20 = 18,124.20/x
  3. Step 3: Cross multiply
    27,965.70x = 41,839.20 × 18,124.20
  4. Step 4: Simplify right side
    27,965.70x = 758,302,028.64
  5. Step 5: Solve for x
    x = 758,302,028.64/27,965.70
  6. Step 6: Final answer
    x = 27,115.43

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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.