Home / 28,799.72-43,183.31-11,923.19

Finding the Fourth Proportional to 28,799.72, 43,183.31 and 11,923.19

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Solution

The fourth proportional to 28,799.72, 43,183.31 and 11,923.19 is: 17,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.72 : 43,183.31 = 11,923.19 : x
  2. Step 2: Convert to fraction form
    28,799.72/43,183.31 = 11,923.19/x
  3. Step 3: Cross multiply
    28,799.72x = 43,183.31 × 11,923.19
  4. Step 4: Simplify right side
    28,799.72x = 514,882,534.43
  5. Step 5: Solve for x
    x = 514,882,534.43/28,799.72
  6. Step 6: Final answer
    x = 17,878.04

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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.