Home / 26,383.56-39,571.68-6,660.90

Finding the Fourth Proportional to 26,383.56, 39,571.68 and 6,660.90

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Solution

The fourth proportional to 26,383.56, 39,571.68 and 6,660.90 is: 9,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,383.56 : 39,571.68 = 6,660.90 : x
  2. Step 2: Convert to fraction form
    26,383.56/39,571.68 = 6,660.90/x
  3. Step 3: Cross multiply
    26,383.56x = 39,571.68 × 6,660.90
  4. Step 4: Simplify right side
    26,383.56x = 263,583,003.31
  5. Step 5: Solve for x
    x = 263,583,003.31/26,383.56
  6. Step 6: Final answer
    x = 9,990.43

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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.