Home / 17,961.80-26,940.82-4,815.52

Finding the Fourth Proportional to 17,961.80, 26,940.82 and 4,815.52

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Solution

The fourth proportional to 17,961.80, 26,940.82 and 4,815.52 is: 7,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.80 : 26,940.82 = 4,815.52 : x
  2. Step 2: Convert to fraction form
    17,961.80/26,940.82 = 4,815.52/x
  3. Step 3: Cross multiply
    17,961.80x = 26,940.82 × 4,815.52
  4. Step 4: Simplify right side
    17,961.80x = 129,734,057.53
  5. Step 5: Solve for x
    x = 129,734,057.53/17,961.80
  6. Step 6: Final answer
    x = 7,222.78

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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.