Home / 26,092.82-39,090.03-20,220.73

Finding the Fourth Proportional to 26,092.82, 39,090.03 and 20,220.73

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Solution

The fourth proportional to 26,092.82, 39,090.03 and 20,220.73 is: 30,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,092.82 : 39,090.03 = 20,220.73 : x
  2. Step 2: Convert to fraction form
    26,092.82/39,090.03 = 20,220.73/x
  3. Step 3: Cross multiply
    26,092.82x = 39,090.03 × 20,220.73
  4. Step 4: Simplify right side
    26,092.82x = 790,428,768.77
  5. Step 5: Solve for x
    x = 790,428,768.77/26,092.82
  6. Step 6: Final answer
    x = 30,292.96

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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.