Home / 28,292.75-39,044.61-15,546.11

Finding the Fourth Proportional to 28,292.75, 39,044.61 and 15,546.11

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Solution

The fourth proportional to 28,292.75, 39,044.61 and 15,546.11 is: 21,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.75 : 39,044.61 = 15,546.11 : x
  2. Step 2: Convert to fraction form
    28,292.75/39,044.61 = 15,546.11/x
  3. Step 3: Cross multiply
    28,292.75x = 39,044.61 × 15,546.11
  4. Step 4: Simplify right side
    28,292.75x = 606,991,724.24
  5. Step 5: Solve for x
    x = 606,991,724.24/28,292.75
  6. Step 6: Final answer
    x = 21,453.97

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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.