Home / 27,020.73-40,533.03-10,380.75

Finding the Fourth Proportional to 27,020.73, 40,533.03 and 10,380.75

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Solution

The fourth proportional to 27,020.73, 40,533.03 and 10,380.75 is: 15,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.73 : 40,533.03 = 10,380.75 : x
  2. Step 2: Convert to fraction form
    27,020.73/40,533.03 = 10,380.75/x
  3. Step 3: Cross multiply
    27,020.73x = 40,533.03 × 10,380.75
  4. Step 4: Simplify right side
    27,020.73x = 420,763,251.17
  5. Step 5: Solve for x
    x = 420,763,251.17/27,020.73
  6. Step 6: Final answer
    x = 15,571.87

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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.