Home / 28,747.92-43,104.58-10,979.76

Finding the Fourth Proportional to 28,747.92, 43,104.58 and 10,979.76

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Solution

The fourth proportional to 28,747.92, 43,104.58 and 10,979.76 is: 16,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.92 : 43,104.58 = 10,979.76 : x
  2. Step 2: Convert to fraction form
    28,747.92/43,104.58 = 10,979.76/x
  3. Step 3: Cross multiply
    28,747.92x = 43,104.58 × 10,979.76
  4. Step 4: Simplify right side
    28,747.92x = 473,277,943.30
  5. Step 5: Solve for x
    x = 473,277,943.30/28,747.92
  6. Step 6: Final answer
    x = 16,463.03

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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.