Home / 26,489.40-39,734.10-22,212.60

Finding the Fourth Proportional to 26,489.40, 39,734.10 and 22,212.60

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Solution

The fourth proportional to 26,489.40, 39,734.10 and 22,212.60 is: 33,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.40 : 39,734.10 = 22,212.60 : x
  2. Step 2: Convert to fraction form
    26,489.40/39,734.10 = 22,212.60/x
  3. Step 3: Cross multiply
    26,489.40x = 39,734.10 × 22,212.60
  4. Step 4: Simplify right side
    26,489.40x = 882,597,669.66
  5. Step 5: Solve for x
    x = 882,597,669.66/26,489.40
  6. Step 6: Final answer
    x = 33,318.90

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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.