Home / 20,944.32-31,366.62-17,040.12

Finding the Fourth Proportional to 20,944.32, 31,366.62 and 17,040.12

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Solution

The fourth proportional to 20,944.32, 31,366.62 and 17,040.12 is: 25,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.32 : 31,366.62 = 17,040.12 : x
  2. Step 2: Convert to fraction form
    20,944.32/31,366.62 = 17,040.12/x
  3. Step 3: Cross multiply
    20,944.32x = 31,366.62 × 17,040.12
  4. Step 4: Simplify right side
    20,944.32x = 534,490,968.79
  5. Step 5: Solve for x
    x = 534,490,968.79/20,944.32
  6. Step 6: Final answer
    x = 25,519.61

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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.