Home / 20,175.89-30,268.82-7,028.37

Finding the Fourth Proportional to 20,175.89, 30,268.82 and 7,028.37

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Solution

The fourth proportional to 20,175.89, 30,268.82 and 7,028.37 is: 10,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.89 : 30,268.82 = 7,028.37 : x
  2. Step 2: Convert to fraction form
    20,175.89/30,268.82 = 7,028.37/x
  3. Step 3: Cross multiply
    20,175.89x = 30,268.82 × 7,028.37
  4. Step 4: Simplify right side
    20,175.89x = 212,740,483.99
  5. Step 5: Solve for x
    x = 212,740,483.99/20,175.89
  6. Step 6: Final answer
    x = 10,544.30

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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.