Home / 22,029.75-32,979.96-13,684.47

Finding the Fourth Proportional to 22,029.75, 32,979.96 and 13,684.47

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Solution

The fourth proportional to 22,029.75, 32,979.96 and 13,684.47 is: 20,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.75 : 32,979.96 = 13,684.47 : x
  2. Step 2: Convert to fraction form
    22,029.75/32,979.96 = 13,684.47/x
  3. Step 3: Cross multiply
    22,029.75x = 32,979.96 × 13,684.47
  4. Step 4: Simplify right side
    22,029.75x = 451,313,242.30
  5. Step 5: Solve for x
    x = 451,313,242.30/22,029.75
  6. Step 6: Final answer
    x = 20,486.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.