Home / 27,591.78-38,075.94-16,108.89

Finding the Fourth Proportional to 27,591.78, 38,075.94 and 16,108.89

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Solution

The fourth proportional to 27,591.78, 38,075.94 and 16,108.89 is: 22,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.78 : 38,075.94 = 16,108.89 : x
  2. Step 2: Convert to fraction form
    27,591.78/38,075.94 = 16,108.89/x
  3. Step 3: Cross multiply
    27,591.78x = 38,075.94 × 16,108.89
  4. Step 4: Simplify right side
    27,591.78x = 613,361,129.11
  5. Step 5: Solve for x
    x = 613,361,129.11/27,591.78
  6. Step 6: Final answer
    x = 22,229.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.