Home / 26,660.82-39,984.27-7,935.78

Finding the Fourth Proportional to 26,660.82, 39,984.27 and 7,935.78

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Solution

The fourth proportional to 26,660.82, 39,984.27 and 7,935.78 is: 11,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.82 : 39,984.27 = 7,935.78 : x
  2. Step 2: Convert to fraction form
    26,660.82/39,984.27 = 7,935.78/x
  3. Step 3: Cross multiply
    26,660.82x = 39,984.27 × 7,935.78
  4. Step 4: Simplify right side
    26,660.82x = 317,306,370.18
  5. Step 5: Solve for x
    x = 317,306,370.18/26,660.82
  6. Step 6: Final answer
    x = 11,901.60

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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.