Home / 20,025.09-27,638.42-11,641.59

Finding the Fourth Proportional to 20,025.09, 27,638.42 and 11,641.59

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Solution

The fourth proportional to 20,025.09, 27,638.42 and 11,641.59 is: 16,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.09 : 27,638.42 = 11,641.59 : x
  2. Step 2: Convert to fraction form
    20,025.09/27,638.42 = 11,641.59/x
  3. Step 3: Cross multiply
    20,025.09x = 27,638.42 × 11,641.59
  4. Step 4: Simplify right side
    20,025.09x = 321,755,095.68
  5. Step 5: Solve for x
    x = 321,755,095.68/20,025.09
  6. Step 6: Final answer
    x = 16,067.60

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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.