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Finding the Fourth Proportional to 17,467.56, 26,201.28 and 7,079.28

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Solution

The fourth proportional to 17,467.56, 26,201.28 and 7,079.28 is: 10,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,467.56 : 26,201.28 = 7,079.28 : x
  2. Step 2: Convert to fraction form
    17,467.56/26,201.28 = 7,079.28/x
  3. Step 3: Cross multiply
    17,467.56x = 26,201.28 × 7,079.28
  4. Step 4: Simplify right side
    17,467.56x = 185,486,197.48
  5. Step 5: Solve for x
    x = 185,486,197.48/17,467.56
  6. Step 6: Final answer
    x = 10,618.90

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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.