Home / 27,438.66-41,173.79-11,642.45

Finding the Fourth Proportional to 27,438.66, 41,173.79 and 11,642.45

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Solution

The fourth proportional to 27,438.66, 41,173.79 and 11,642.45 is: 17,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.66 : 41,173.79 = 11,642.45 : x
  2. Step 2: Convert to fraction form
    27,438.66/41,173.79 = 11,642.45/x
  3. Step 3: Cross multiply
    27,438.66x = 41,173.79 × 11,642.45
  4. Step 4: Simplify right side
    27,438.66x = 479,363,527.30
  5. Step 5: Solve for x
    x = 479,363,527.30/27,438.66
  6. Step 6: Final answer
    x = 17,470.37

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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.