Home / 28,758.94-39,687.33-16,183.96

Finding the Fourth Proportional to 28,758.94, 39,687.33 and 16,183.96

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Solution

The fourth proportional to 28,758.94, 39,687.33 and 16,183.96 is: 22,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.94 : 39,687.33 = 16,183.96 : x
  2. Step 2: Convert to fraction form
    28,758.94/39,687.33 = 16,183.96/x
  3. Step 3: Cross multiply
    28,758.94x = 39,687.33 × 16,183.96
  4. Step 4: Simplify right side
    28,758.94x = 642,298,122.70
  5. Step 5: Solve for x
    x = 642,298,122.70/28,758.94
  6. Step 6: Final answer
    x = 22,333.86

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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.