Home / 27,427.90-41,143.38-7,704.91

Finding the Fourth Proportional to 27,427.90, 41,143.38 and 7,704.91

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Solution

The fourth proportional to 27,427.90, 41,143.38 and 7,704.91 is: 11,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.90 : 41,143.38 = 7,704.91 : x
  2. Step 2: Convert to fraction form
    27,427.90/41,143.38 = 7,704.91/x
  3. Step 3: Cross multiply
    27,427.90x = 41,143.38 × 7,704.91
  4. Step 4: Simplify right side
    27,427.90x = 317,006,040.00
  5. Step 5: Solve for x
    x = 317,006,040.00/27,427.90
  6. Step 6: Final answer
    x = 11,557.79

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1.5x scale

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.