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Finding the Fourth Proportional to 26,351.44, 39,532.92 and 7,884.88

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Solution

The fourth proportional to 26,351.44, 39,532.92 and 7,884.88 is: 11,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351.44 : 39,532.92 = 7,884.88 : x
  2. Step 2: Convert to fraction form
    26,351.44/39,532.92 = 7,884.88/x
  3. Step 3: Cross multiply
    26,351.44x = 39,532.92 × 7,884.88
  4. Step 4: Simplify right side
    26,351.44x = 311,712,330.25
  5. Step 5: Solve for x
    x = 311,712,330.25/26,351.44
  6. Step 6: Final answer
    x = 11,829.04

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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.