Home / 26,286.81-39,415.50-8,747.07

Finding the Fourth Proportional to 26,286.81, 39,415.50 and 8,747.07

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Solution

The fourth proportional to 26,286.81, 39,415.50 and 8,747.07 is: 13,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.81 : 39,415.50 = 8,747.07 : x
  2. Step 2: Convert to fraction form
    26,286.81/39,415.50 = 8,747.07/x
  3. Step 3: Cross multiply
    26,286.81x = 39,415.50 × 8,747.07
  4. Step 4: Simplify right side
    26,286.81x = 344,770,137.59
  5. Step 5: Solve for x
    x = 344,770,137.59/26,286.81
  6. Step 6: Final answer
    x = 13,115.71

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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.