Home / 20,293.22-28,003.26-11,340.26

Finding the Fourth Proportional to 20,293.22, 28,003.26 and 11,340.26

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Solution

The fourth proportional to 20,293.22, 28,003.26 and 11,340.26 is: 15,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.22 : 28,003.26 = 11,340.26 : x
  2. Step 2: Convert to fraction form
    20,293.22/28,003.26 = 11,340.26/x
  3. Step 3: Cross multiply
    20,293.22x = 28,003.26 × 11,340.26
  4. Step 4: Simplify right side
    20,293.22x = 317,564,249.25
  5. Step 5: Solve for x
    x = 317,564,249.25/20,293.22
  6. Step 6: Final answer
    x = 15,648.79

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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.