Home / 26,380.73-39,570.94-6,659.21

Finding the Fourth Proportional to 26,380.73, 39,570.94 and 6,659.21

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Solution

The fourth proportional to 26,380.73, 39,570.94 and 6,659.21 is: 9,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.73 : 39,570.94 = 6,659.21 : x
  2. Step 2: Convert to fraction form
    26,380.73/39,570.94 = 6,659.21/x
  3. Step 3: Cross multiply
    26,380.73x = 39,570.94 × 6,659.21
  4. Step 4: Simplify right side
    26,380.73x = 263,510,984.85
  5. Step 5: Solve for x
    x = 263,510,984.85/26,380.73
  6. Step 6: Final answer
    x = 9,988.77

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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.