Home / 20,027.08-27,640.80-11,648.44

Finding the Fourth Proportional to 20,027.08, 27,640.80 and 11,648.44

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Solution

The fourth proportional to 20,027.08, 27,640.80 and 11,648.44 is: 16,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.08 : 27,640.80 = 11,648.44 : x
  2. Step 2: Convert to fraction form
    20,027.08/27,640.80 = 11,648.44/x
  3. Step 3: Cross multiply
    20,027.08x = 27,640.80 × 11,648.44
  4. Step 4: Simplify right side
    20,027.08x = 321,972,200.35
  5. Step 5: Solve for x
    x = 321,972,200.35/20,027.08
  6. Step 6: Final answer
    x = 16,076.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.