Home / 28,849.23-43,248.20-11,331.27

Finding the Fourth Proportional to 28,849.23, 43,248.20 and 11,331.27

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Solution

The fourth proportional to 28,849.23, 43,248.20 and 11,331.27 is: 16,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.23 : 43,248.20 = 11,331.27 : x
  2. Step 2: Convert to fraction form
    28,849.23/43,248.20 = 11,331.27/x
  3. Step 3: Cross multiply
    28,849.23x = 43,248.20 × 11,331.27
  4. Step 4: Simplify right side
    28,849.23x = 490,056,974.56
  5. Step 5: Solve for x
    x = 490,056,974.56/28,849.23
  6. Step 6: Final answer
    x = 16,986.83

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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.