Home / 20,360.44-28,097.94-11,407.96

Finding the Fourth Proportional to 20,360.44, 28,097.94 and 11,407.96

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Solution

The fourth proportional to 20,360.44, 28,097.94 and 11,407.96 is: 15,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.44 : 28,097.94 = 11,407.96 : x
  2. Step 2: Convert to fraction form
    20,360.44/28,097.94 = 11,407.96/x
  3. Step 3: Cross multiply
    20,360.44x = 28,097.94 × 11,407.96
  4. Step 4: Simplify right side
    20,360.44x = 320,540,175.60
  5. Step 5: Solve for x
    x = 320,540,175.60/20,360.44
  6. Step 6: Final answer
    x = 15,743.28

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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.