Home / 28,761.16-43,152.06-11,243.56

Finding the Fourth Proportional to 28,761.16, 43,152.06 and 11,243.56

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Solution

The fourth proportional to 28,761.16, 43,152.06 and 11,243.56 is: 16,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.16 : 43,152.06 = 11,243.56 : x
  2. Step 2: Convert to fraction form
    28,761.16/43,152.06 = 11,243.56/x
  3. Step 3: Cross multiply
    28,761.16x = 43,152.06 × 11,243.56
  4. Step 4: Simplify right side
    28,761.16x = 485,182,775.73
  5. Step 5: Solve for x
    x = 485,182,775.73/28,761.16
  6. Step 6: Final answer
    x = 16,869.37

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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.