Home / 20,028.49-30,033.62-10,666.10

Finding the Fourth Proportional to 20,028.49, 30,033.62 and 10,666.10

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Solution

The fourth proportional to 20,028.49, 30,033.62 and 10,666.10 is: 15,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.49 : 30,033.62 = 10,666.10 : x
  2. Step 2: Convert to fraction form
    20,028.49/30,033.62 = 10,666.10/x
  3. Step 3: Cross multiply
    20,028.49x = 30,033.62 × 10,666.10
  4. Step 4: Simplify right side
    20,028.49x = 320,341,656.03
  5. Step 5: Solve for x
    x = 320,341,656.03/20,028.49
  6. Step 6: Final answer
    x = 15,994.30

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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.