Home / 26,728.20-40,092.56-11,937.84

Finding the Fourth Proportional to 26,728.20, 40,092.56 and 11,937.84

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Solution

The fourth proportional to 26,728.20, 40,092.56 and 11,937.84 is: 17,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.20 : 40,092.56 = 11,937.84 : x
  2. Step 2: Convert to fraction form
    26,728.20/40,092.56 = 11,937.84/x
  3. Step 3: Cross multiply
    26,728.20x = 40,092.56 × 11,937.84
  4. Step 4: Simplify right side
    26,728.20x = 478,618,566.47
  5. Step 5: Solve for x
    x = 478,618,566.47/26,728.20
  6. Step 6: Final answer
    x = 17,906.88

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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.