Home / 26,198.81-39,286.16-8,426.19

Finding the Fourth Proportional to 26,198.81, 39,286.16 and 8,426.19

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Solution

The fourth proportional to 26,198.81, 39,286.16 and 8,426.19 is: 12,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.81 : 39,286.16 = 8,426.19 : x
  2. Step 2: Convert to fraction form
    26,198.81/39,286.16 = 8,426.19/x
  3. Step 3: Cross multiply
    26,198.81x = 39,286.16 × 8,426.19
  4. Step 4: Simplify right side
    26,198.81x = 331,032,606.40
  5. Step 5: Solve for x
    x = 331,032,606.40/26,198.81
  6. Step 6: Final answer
    x = 12,635.41

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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.