Home / 22,939.66-34,351.17-21,015.10

Finding the Fourth Proportional to 22,939.66, 34,351.17 and 21,015.10

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Solution

The fourth proportional to 22,939.66, 34,351.17 and 21,015.10 is: 31,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.66 : 34,351.17 = 21,015.10 : x
  2. Step 2: Convert to fraction form
    22,939.66/34,351.17 = 21,015.10/x
  3. Step 3: Cross multiply
    22,939.66x = 34,351.17 × 21,015.10
  4. Step 4: Simplify right side
    22,939.66x = 721,893,272.67
  5. Step 5: Solve for x
    x = 721,893,272.67/22,939.66
  6. Step 6: Final answer
    x = 31,469.22

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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.