Home / 17,781.60-26,768.82-16,231.56

Finding the Fourth Proportional to 17,781.60, 26,768.82 and 16,231.56

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Solution

The fourth proportional to 17,781.60, 26,768.82 and 16,231.56 is: 24,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.60 : 26,768.82 = 16,231.56 : x
  2. Step 2: Convert to fraction form
    17,781.60/26,768.82 = 16,231.56/x
  3. Step 3: Cross multiply
    17,781.60x = 26,768.82 × 16,231.56
  4. Step 4: Simplify right side
    17,781.60x = 434,499,707.96
  5. Step 5: Solve for x
    x = 434,499,707.96/17,781.60
  6. Step 6: Final answer
    x = 24,435.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.