Home / 26,013.12-39,004.78-7,996.66

Finding the Fourth Proportional to 26,013.12, 39,004.78 and 7,996.66

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Solution

The fourth proportional to 26,013.12, 39,004.78 and 7,996.66 is: 11,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.12 : 39,004.78 = 7,996.66 : x
  2. Step 2: Convert to fraction form
    26,013.12/39,004.78 = 7,996.66/x
  3. Step 3: Cross multiply
    26,013.12x = 39,004.78 × 7,996.66
  4. Step 4: Simplify right side
    26,013.12x = 311,907,850.28
  5. Step 5: Solve for x
    x = 311,907,850.28/26,013.12
  6. Step 6: Final answer
    x = 11,990.41

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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.