Home / 21,273.66-29,234.34-20,297.97

Finding the Fourth Proportional to 21,273.66, 29,234.34 and 20,297.97

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Solution

The fourth proportional to 21,273.66, 29,234.34 and 20,297.97 is: 27,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.66 : 29,234.34 = 20,297.97 : x
  2. Step 2: Convert to fraction form
    21,273.66/29,234.34 = 20,297.97/x
  3. Step 3: Cross multiply
    21,273.66x = 29,234.34 × 20,297.97
  4. Step 4: Simplify right side
    21,273.66x = 593,397,756.29
  5. Step 5: Solve for x
    x = 593,397,756.29/21,273.66
  6. Step 6: Final answer
    x = 27,893.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.