Home / 26,049.28-39,061.76-12,896.52

Finding the Fourth Proportional to 26,049.28, 39,061.76 and 12,896.52

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Solution

The fourth proportional to 26,049.28, 39,061.76 and 12,896.52 is: 19,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,049.28 : 39,061.76 = 12,896.52 : x
  2. Step 2: Convert to fraction form
    26,049.28/39,061.76 = 12,896.52/x
  3. Step 3: Cross multiply
    26,049.28x = 39,061.76 × 12,896.52
  4. Step 4: Simplify right side
    26,049.28x = 503,760,769.08
  5. Step 5: Solve for x
    x = 503,760,769.08/26,049.28
  6. Step 6: Final answer
    x = 19,338.76

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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.