Home / 26,718.42-40,086.82-11,937.54

Finding the Fourth Proportional to 26,718.42, 40,086.82 and 11,937.54

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Solution

The fourth proportional to 26,718.42, 40,086.82 and 11,937.54 is: 17,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.42 : 40,086.82 = 11,937.54 : x
  2. Step 2: Convert to fraction form
    26,718.42/40,086.82 = 11,937.54/x
  3. Step 3: Cross multiply
    26,718.42x = 40,086.82 × 11,937.54
  4. Step 4: Simplify right side
    26,718.42x = 478,538,017.22
  5. Step 5: Solve for x
    x = 478,538,017.22/26,718.42
  6. Step 6: Final answer
    x = 17,910.42

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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.