Home / 20,260.10-30,290.24-17,174.54

Finding the Fourth Proportional to 20,260.10, 30,290.24 and 17,174.54

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Solution

The fourth proportional to 20,260.10, 30,290.24 and 17,174.54 is: 25,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.10 : 30,290.24 = 17,174.54 : x
  2. Step 2: Convert to fraction form
    20,260.10/30,290.24 = 17,174.54/x
  3. Step 3: Cross multiply
    20,260.10x = 30,290.24 × 17,174.54
  4. Step 4: Simplify right side
    20,260.10x = 520,220,938.49
  5. Step 5: Solve for x
    x = 520,220,938.49/20,260.10
  6. Step 6: Final answer
    x = 25,677.12

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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.