Home / 28,872.24-43,292.40-17,783.04

Finding the Fourth Proportional to 28,872.24, 43,292.40 and 17,783.04

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Solution

The fourth proportional to 28,872.24, 43,292.40 and 17,783.04 is: 26,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.24 : 43,292.40 = 17,783.04 : x
  2. Step 2: Convert to fraction form
    28,872.24/43,292.40 = 17,783.04/x
  3. Step 3: Cross multiply
    28,872.24x = 43,292.40 × 17,783.04
  4. Step 4: Simplify right side
    28,872.24x = 769,870,480.90
  5. Step 5: Solve for x
    x = 769,870,480.90/28,872.24
  6. Step 6: Final answer
    x = 26,664.73

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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.