Home / 25,930.94-38,890.94-11,146.82

Finding the Fourth Proportional to 25,930.94, 38,890.94 and 11,146.82

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Solution

The fourth proportional to 25,930.94, 38,890.94 and 11,146.82 is: 16,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.94 : 38,890.94 = 11,146.82 : x
  2. Step 2: Convert to fraction form
    25,930.94/38,890.94 = 11,146.82/x
  3. Step 3: Cross multiply
    25,930.94x = 38,890.94 × 11,146.82
  4. Step 4: Simplify right side
    25,930.94x = 433,510,057.62
  5. Step 5: Solve for x
    x = 433,510,057.62/25,930.94
  6. Step 6: Final answer
    x = 16,717.87

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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.