Home / 28,882.20-43,325.60-11,121.47

Finding the Fourth Proportional to 28,882.20, 43,325.60 and 11,121.47

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Solution

The fourth proportional to 28,882.20, 43,325.60 and 11,121.47 is: 16,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.20 : 43,325.60 = 11,121.47 : x
  2. Step 2: Convert to fraction form
    28,882.20/43,325.60 = 11,121.47/x
  3. Step 3: Cross multiply
    28,882.20x = 43,325.60 × 11,121.47
  4. Step 4: Simplify right side
    28,882.20x = 481,844,360.63
  5. Step 5: Solve for x
    x = 481,844,360.63/28,882.20
  6. Step 6: Final answer
    x = 16,683.09

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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.