Home / 27,845.20-38,369.82-25,876.84

Finding the Fourth Proportional to 27,845.20, 38,369.82 and 25,876.84

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Solution

The fourth proportional to 27,845.20, 38,369.82 and 25,876.84 is: 35,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.20 : 38,369.82 = 25,876.84 : x
  2. Step 2: Convert to fraction form
    27,845.20/38,369.82 = 25,876.84/x
  3. Step 3: Cross multiply
    27,845.20x = 38,369.82 × 25,876.84
  4. Step 4: Simplify right side
    27,845.20x = 992,889,692.97
  5. Step 5: Solve for x
    x = 992,889,692.97/27,845.20
  6. Step 6: Final answer
    x = 35,657.48

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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.