Home / 27,679.72-41,422.20-23,830.60

Finding the Fourth Proportional to 27,679.72, 41,422.20 and 23,830.60

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Solution

The fourth proportional to 27,679.72, 41,422.20 and 23,830.60 is: 35,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.72 : 41,422.20 = 23,830.60 : x
  2. Step 2: Convert to fraction form
    27,679.72/41,422.20 = 23,830.60/x
  3. Step 3: Cross multiply
    27,679.72x = 41,422.20 × 23,830.60
  4. Step 4: Simplify right side
    27,679.72x = 987,115,879.32
  5. Step 5: Solve for x
    x = 987,115,879.32/27,679.72
  6. Step 6: Final answer
    x = 35,662.06

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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.