Home / 27,200.94-40,748.22-18,766.14

Finding the Fourth Proportional to 27,200.94, 40,748.22 and 18,766.14

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Solution

The fourth proportional to 27,200.94, 40,748.22 and 18,766.14 is: 28,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.94 : 40,748.22 = 18,766.14 : x
  2. Step 2: Convert to fraction form
    27,200.94/40,748.22 = 18,766.14/x
  3. Step 3: Cross multiply
    27,200.94x = 40,748.22 × 18,766.14
  4. Step 4: Simplify right side
    27,200.94x = 764,686,801.27
  5. Step 5: Solve for x
    x = 764,686,801.27/27,200.94
  6. Step 6: Final answer
    x = 28,112.51

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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.