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Finding the Fourth Proportional to 26,622.39, 39,918.61 and 8,843.54

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Solution

The fourth proportional to 26,622.39, 39,918.61 and 8,843.54 is: 13,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622.39 : 39,918.61 = 8,843.54 : x
  2. Step 2: Convert to fraction form
    26,622.39/39,918.61 = 8,843.54/x
  3. Step 3: Cross multiply
    26,622.39x = 39,918.61 × 8,843.54
  4. Step 4: Simplify right side
    26,622.39x = 353,021,735.58
  5. Step 5: Solve for x
    x = 353,021,735.58/26,622.39
  6. Step 6: Final answer
    x = 13,260.33

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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.