Home / 26,626.35-39,945.68-7,905.98

Finding the Fourth Proportional to 26,626.35, 39,945.68 and 7,905.98

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Solution

The fourth proportional to 26,626.35, 39,945.68 and 7,905.98 is: 11,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.35 : 39,945.68 = 7,905.98 : x
  2. Step 2: Convert to fraction form
    26,626.35/39,945.68 = 7,905.98/x
  3. Step 3: Cross multiply
    26,626.35x = 39,945.68 × 7,905.98
  4. Step 4: Simplify right side
    26,626.35x = 315,809,747.04
  5. Step 5: Solve for x
    x = 315,809,747.04/26,626.35
  6. Step 6: Final answer
    x = 11,860.80

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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.