Home / 28,882.60-43,302.30-15,749.80

Finding the Fourth Proportional to 28,882.60, 43,302.30 and 15,749.80

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Solution

The fourth proportional to 28,882.60, 43,302.30 and 15,749.80 is: 23,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.60 : 43,302.30 = 15,749.80 : x
  2. Step 2: Convert to fraction form
    28,882.60/43,302.30 = 15,749.80/x
  3. Step 3: Cross multiply
    28,882.60x = 43,302.30 × 15,749.80
  4. Step 4: Simplify right side
    28,882.60x = 682,002,564.54
  5. Step 5: Solve for x
    x = 682,002,564.54/28,882.60
  6. Step 6: Final answer
    x = 23,612.92

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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.