Home / 20,514.78-28,294.29-14,850.36

Finding the Fourth Proportional to 20,514.78, 28,294.29 and 14,850.36

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Solution

The fourth proportional to 20,514.78, 28,294.29 and 14,850.36 is: 20,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.78 : 28,294.29 = 14,850.36 : x
  2. Step 2: Convert to fraction form
    20,514.78/28,294.29 = 14,850.36/x
  3. Step 3: Cross multiply
    20,514.78x = 28,294.29 × 14,850.36
  4. Step 4: Simplify right side
    20,514.78x = 420,180,392.44
  5. Step 5: Solve for x
    x = 420,180,392.44/20,514.78
  6. Step 6: Final answer
    x = 20,481.84

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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.