Home / 28,828.20-43,186.62-17,702.60

Finding the Fourth Proportional to 28,828.20, 43,186.62 and 17,702.60

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Solution

The fourth proportional to 28,828.20, 43,186.62 and 17,702.60 is: 26,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.20 : 43,186.62 = 17,702.60 : x
  2. Step 2: Convert to fraction form
    28,828.20/43,186.62 = 17,702.60/x
  3. Step 3: Cross multiply
    28,828.20x = 43,186.62 × 17,702.60
  4. Step 4: Simplify right side
    28,828.20x = 764,515,459.21
  5. Step 5: Solve for x
    x = 764,515,459.21/28,828.20
  6. Step 6: Final answer
    x = 26,519.71

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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.