Home / 26,107.47-39,161.88-8,338.11

Finding the Fourth Proportional to 26,107.47, 39,161.88 and 8,338.11

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Solution

The fourth proportional to 26,107.47, 39,161.88 and 8,338.11 is: 12,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.47 : 39,161.88 = 8,338.11 : x
  2. Step 2: Convert to fraction form
    26,107.47/39,161.88 = 8,338.11/x
  3. Step 3: Cross multiply
    26,107.47x = 39,161.88 × 8,338.11
  4. Step 4: Simplify right side
    26,107.47x = 326,536,063.25
  5. Step 5: Solve for x
    x = 326,536,063.25/26,107.47
  6. Step 6: Final answer
    x = 12,507.38

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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.