Home / 26,629.83-39,906.39-18,319.23

Finding the Fourth Proportional to 26,629.83, 39,906.39 and 18,319.23

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Solution

The fourth proportional to 26,629.83, 39,906.39 and 18,319.23 is: 27,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.83 : 39,906.39 = 18,319.23 : x
  2. Step 2: Convert to fraction form
    26,629.83/39,906.39 = 18,319.23/x
  3. Step 3: Cross multiply
    26,629.83x = 39,906.39 × 18,319.23
  4. Step 4: Simplify right side
    26,629.83x = 731,054,336.88
  5. Step 5: Solve for x
    x = 731,054,336.88/26,629.83
  6. Step 6: Final answer
    x = 27,452.46

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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.