Home / 26,619.06-39,936.91-7,899.19

Finding the Fourth Proportional to 26,619.06, 39,936.91 and 7,899.19

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Solution

The fourth proportional to 26,619.06, 39,936.91 and 7,899.19 is: 11,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.06 : 39,936.91 = 7,899.19 : x
  2. Step 2: Convert to fraction form
    26,619.06/39,936.91 = 7,899.19/x
  3. Step 3: Cross multiply
    26,619.06x = 39,936.91 × 7,899.19
  4. Step 4: Simplify right side
    26,619.06x = 315,469,240.10
  5. Step 5: Solve for x
    x = 315,469,240.10/26,619.06
  6. Step 6: Final answer
    x = 11,851.25

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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.