Home / 27,167.81-40,747.34-7,441.75

Finding the Fourth Proportional to 27,167.81, 40,747.34 and 7,441.75

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Solution

The fourth proportional to 27,167.81, 40,747.34 and 7,441.75 is: 11,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.81 : 40,747.34 = 7,441.75 : x
  2. Step 2: Convert to fraction form
    27,167.81/40,747.34 = 7,441.75/x
  3. Step 3: Cross multiply
    27,167.81x = 40,747.34 × 7,441.75
  4. Step 4: Simplify right side
    27,167.81x = 303,231,619.31
  5. Step 5: Solve for x
    x = 303,231,619.31/27,167.81
  6. Step 6: Final answer
    x = 11,161.43

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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.