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Finding the Fourth Proportional to 26,168.52, 39,251.88 and 7,448.67

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Solution

The fourth proportional to 26,168.52, 39,251.88 and 7,448.67 is: 11,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.52 : 39,251.88 = 7,448.67 : x
  2. Step 2: Convert to fraction form
    26,168.52/39,251.88 = 7,448.67/x
  3. Step 3: Cross multiply
    26,168.52x = 39,251.88 × 7,448.67
  4. Step 4: Simplify right side
    26,168.52x = 292,374,301.00
  5. Step 5: Solve for x
    x = 292,374,301.00/26,168.52
  6. Step 6: Final answer
    x = 11,172.75

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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.