Home / 20,033.52-27,645.75-11,080.80

Finding the Fourth Proportional to 20,033.52, 27,645.75 and 11,080.80

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Solution

The fourth proportional to 20,033.52, 27,645.75 and 11,080.80 is: 15,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.52 : 27,645.75 = 11,080.80 : x
  2. Step 2: Convert to fraction form
    20,033.52/27,645.75 = 11,080.80/x
  3. Step 3: Cross multiply
    20,033.52x = 27,645.75 × 11,080.80
  4. Step 4: Simplify right side
    20,033.52x = 306,337,026.60
  5. Step 5: Solve for x
    x = 306,337,026.60/20,033.52
  6. Step 6: Final answer
    x = 15,291.22

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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.