Home / 26,067.36-39,070.80-20,205.12

Finding the Fourth Proportional to 26,067.36, 39,070.80 and 20,205.12

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Solution

The fourth proportional to 26,067.36, 39,070.80 and 20,205.12 is: 30,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,067.36 : 39,070.80 = 20,205.12 : x
  2. Step 2: Convert to fraction form
    26,067.36/39,070.80 = 20,205.12/x
  3. Step 3: Cross multiply
    26,067.36x = 39,070.80 × 20,205.12
  4. Step 4: Simplify right side
    26,067.36x = 789,430,202.50
  5. Step 5: Solve for x
    x = 789,430,202.50/26,067.36
  6. Step 6: Final answer
    x = 30,284.24

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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.