Home / 22,022.33-30,375.10-15,551.54

Finding the Fourth Proportional to 22,022.33, 30,375.10 and 15,551.54

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Solution

The fourth proportional to 22,022.33, 30,375.10 and 15,551.54 is: 21,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.33 : 30,375.10 = 15,551.54 : x
  2. Step 2: Convert to fraction form
    22,022.33/30,375.10 = 15,551.54/x
  3. Step 3: Cross multiply
    22,022.33x = 30,375.10 × 15,551.54
  4. Step 4: Simplify right side
    22,022.33x = 472,379,734.98
  5. Step 5: Solve for x
    x = 472,379,734.98/22,022.33
  6. Step 6: Final answer
    x = 21,450.03

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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.