Home / 27,150.62-40,724.45-7,427.75

Finding the Fourth Proportional to 27,150.62, 40,724.45 and 7,427.75

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Solution

The fourth proportional to 27,150.62, 40,724.45 and 7,427.75 is: 11,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.62 : 40,724.45 = 7,427.75 : x
  2. Step 2: Convert to fraction form
    27,150.62/40,724.45 = 7,427.75/x
  3. Step 3: Cross multiply
    27,150.62x = 40,724.45 × 7,427.75
  4. Step 4: Simplify right side
    27,150.62x = 302,491,028.77
  5. Step 5: Solve for x
    x = 302,491,028.77/27,150.62
  6. Step 6: Final answer
    x = 11,141.22

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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.