Home / 26,708.85-36,824.73-17,131.86

Finding the Fourth Proportional to 26,708.85, 36,824.73 and 17,131.86

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Solution

The fourth proportional to 26,708.85, 36,824.73 and 17,131.86 is: 23,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.85 : 36,824.73 = 17,131.86 : x
  2. Step 2: Convert to fraction form
    26,708.85/36,824.73 = 17,131.86/x
  3. Step 3: Cross multiply
    26,708.85x = 36,824.73 × 17,131.86
  4. Step 4: Simplify right side
    26,708.85x = 630,876,118.90
  5. Step 5: Solve for x
    x = 630,876,118.90/26,708.85
  6. Step 6: Final answer
    x = 23,620.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.