Home / 52,782.46-72,839.82-28,910.65

Finding the Fourth Proportional to 52,782.46, 72,839.82 and 28,910.65

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Solution

The fourth proportional to 52,782.46, 72,839.82 and 28,910.65 is: 39,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.46 : 72,839.82 = 28,910.65 : x
  2. Step 2: Convert to fraction form
    52,782.46/72,839.82 = 28,910.65/x
  3. Step 3: Cross multiply
    52,782.46x = 72,839.82 × 28,910.65
  4. Step 4: Simplify right side
    52,782.46x = 2,105,846,542.08
  5. Step 5: Solve for x
    x = 2,105,846,542.08/52,782.46
  6. Step 6: Final answer
    x = 39,896.71

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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.