Home / 27,961.50-41,942.25-19,169.76

Finding the Fourth Proportional to 27,961.50, 41,942.25 and 19,169.76

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Solution

The fourth proportional to 27,961.50, 41,942.25 and 19,169.76 is: 28,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.50 : 41,942.25 = 19,169.76 : x
  2. Step 2: Convert to fraction form
    27,961.50/41,942.25 = 19,169.76/x
  3. Step 3: Cross multiply
    27,961.50x = 41,942.25 × 19,169.76
  4. Step 4: Simplify right side
    27,961.50x = 804,022,866.36
  5. Step 5: Solve for x
    x = 804,022,866.36/27,961.50
  6. Step 6: Final answer
    x = 28,754.64

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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.