Home / 20,175.49-30,263.37-7,028.11

Finding the Fourth Proportional to 20,175.49, 30,263.37 and 7,028.11

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Solution

The fourth proportional to 20,175.49, 30,263.37 and 7,028.11 is: 10,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.49 : 30,263.37 = 7,028.11 : x
  2. Step 2: Convert to fraction form
    20,175.49/30,263.37 = 7,028.11/x
  3. Step 3: Cross multiply
    20,175.49x = 30,263.37 × 7,028.11
  4. Step 4: Simplify right side
    20,175.49x = 212,694,293.33
  5. Step 5: Solve for x
    x = 212,694,293.33/20,175.49
  6. Step 6: Final answer
    x = 10,542.21

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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.