Home / 26,725.20-40,087.89-18,380.04

Finding the Fourth Proportional to 26,725.20, 40,087.89 and 18,380.04

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Solution

The fourth proportional to 26,725.20, 40,087.89 and 18,380.04 is: 27,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.20 : 40,087.89 = 18,380.04 : x
  2. Step 2: Convert to fraction form
    26,725.20/40,087.89 = 18,380.04/x
  3. Step 3: Cross multiply
    26,725.20x = 40,087.89 × 18,380.04
  4. Step 4: Simplify right side
    26,725.20x = 736,817,021.72
  5. Step 5: Solve for x
    x = 736,817,021.72/26,725.20
  6. Step 6: Final answer
    x = 27,570.12

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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.