Home / 28,761.55-43,116.68-11,227.30

Finding the Fourth Proportional to 28,761.55, 43,116.68 and 11,227.30

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Solution

The fourth proportional to 28,761.55, 43,116.68 and 11,227.30 is: 16,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.55 : 43,116.68 = 11,227.30 : x
  2. Step 2: Convert to fraction form
    28,761.55/43,116.68 = 11,227.30/x
  3. Step 3: Cross multiply
    28,761.55x = 43,116.68 × 11,227.30
  4. Step 4: Simplify right side
    28,761.55x = 484,083,845.23
  5. Step 5: Solve for x
    x = 484,083,845.23/28,761.55
  6. Step 6: Final answer
    x = 16,830.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.