Home / 28,922.82-43,387.67-10,198.95

Finding the Fourth Proportional to 28,922.82, 43,387.67 and 10,198.95

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Solution

The fourth proportional to 28,922.82, 43,387.67 and 10,198.95 is: 15,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.82 : 43,387.67 = 10,198.95 : x
  2. Step 2: Convert to fraction form
    28,922.82/43,387.67 = 10,198.95/x
  3. Step 3: Cross multiply
    28,922.82x = 43,387.67 × 10,198.95
  4. Step 4: Simplify right side
    28,922.82x = 442,508,625.95
  5. Step 5: Solve for x
    x = 442,508,625.95/28,922.82
  6. Step 6: Final answer
    x = 15,299.64

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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.