Home / 26,171.14-39,251.16-8,636.80

Finding the Fourth Proportional to 26,171.14, 39,251.16 and 8,636.80

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Solution

The fourth proportional to 26,171.14, 39,251.16 and 8,636.80 is: 12,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.14 : 39,251.16 = 8,636.80 : x
  2. Step 2: Convert to fraction form
    26,171.14/39,251.16 = 8,636.80/x
  3. Step 3: Cross multiply
    26,171.14x = 39,251.16 × 8,636.80
  4. Step 4: Simplify right side
    26,171.14x = 339,004,418.69
  5. Step 5: Solve for x
    x = 339,004,418.69/26,171.14
  6. Step 6: Final answer
    x = 12,953.37

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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.