Home / 20,227.97-30,355.61-7,080.45

Finding the Fourth Proportional to 20,227.97, 30,355.61 and 7,080.45

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Solution

The fourth proportional to 20,227.97, 30,355.61 and 7,080.45 is: 10,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.97 : 30,355.61 = 7,080.45 : x
  2. Step 2: Convert to fraction form
    20,227.97/30,355.61 = 7,080.45/x
  3. Step 3: Cross multiply
    20,227.97x = 30,355.61 × 7,080.45
  4. Step 4: Simplify right side
    20,227.97x = 214,931,343.42
  5. Step 5: Solve for x
    x = 214,931,343.42/20,227.97
  6. Step 6: Final answer
    x = 10,625.46

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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.