Home / 26,380.43-39,572.68-7,660.76

Finding the Fourth Proportional to 26,380.43, 39,572.68 and 7,660.76

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Solution

The fourth proportional to 26,380.43, 39,572.68 and 7,660.76 is: 11,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.43 : 39,572.68 = 7,660.76 : x
  2. Step 2: Convert to fraction form
    26,380.43/39,572.68 = 7,660.76/x
  3. Step 3: Cross multiply
    26,380.43x = 39,572.68 × 7,660.76
  4. Step 4: Simplify right side
    26,380.43x = 303,156,804.04
  5. Step 5: Solve for x
    x = 303,156,804.04/26,380.43
  6. Step 6: Final answer
    x = 11,491.73

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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.