Home / 27,661.53-41,498.46-7,938.55

Finding the Fourth Proportional to 27,661.53, 41,498.46 and 7,938.55

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Solution

The fourth proportional to 27,661.53, 41,498.46 and 7,938.55 is: 11,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.53 : 41,498.46 = 7,938.55 : x
  2. Step 2: Convert to fraction form
    27,661.53/41,498.46 = 7,938.55/x
  3. Step 3: Cross multiply
    27,661.53x = 41,498.46 × 7,938.55
  4. Step 4: Simplify right side
    27,661.53x = 329,437,352.45
  5. Step 5: Solve for x
    x = 329,437,352.45/27,661.53
  6. Step 6: Final answer
    x = 11,909.59

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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.