Home / 28,385.94-42,583.92-11,736.65

Finding the Fourth Proportional to 28,385.94, 42,583.92 and 11,736.65

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Solution

The fourth proportional to 28,385.94, 42,583.92 and 11,736.65 is: 17,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385.94 : 42,583.92 = 11,736.65 : x
  2. Step 2: Convert to fraction form
    28,385.94/42,583.92 = 11,736.65/x
  3. Step 3: Cross multiply
    28,385.94x = 42,583.92 × 11,736.65
  4. Step 4: Simplify right side
    28,385.94x = 499,792,351.75
  5. Step 5: Solve for x
    x = 499,792,351.75/28,385.94
  6. Step 6: Final answer
    x = 17,607.04

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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.