Home / 27,932.80-41,912.85-13,143.19

Finding the Fourth Proportional to 27,932.80, 41,912.85 and 13,143.19

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Solution

The fourth proportional to 27,932.80, 41,912.85 and 13,143.19 is: 19,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.80 : 41,912.85 = 13,143.19 : x
  2. Step 2: Convert to fraction form
    27,932.80/41,912.85 = 13,143.19/x
  3. Step 3: Cross multiply
    27,932.80x = 41,912.85 × 13,143.19
  4. Step 4: Simplify right side
    27,932.80x = 550,868,550.99
  5. Step 5: Solve for x
    x = 550,868,550.99/27,932.80
  6. Step 6: Final answer
    x = 19,721.21

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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.