Home / 20,375.04-30,564.48-7,228.80

Finding the Fourth Proportional to 20,375.04, 30,564.48 and 7,228.80

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Solution

The fourth proportional to 20,375.04, 30,564.48 and 7,228.80 is: 10,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.04 : 30,564.48 = 7,228.80 : x
  2. Step 2: Convert to fraction form
    20,375.04/30,564.48 = 7,228.80/x
  3. Step 3: Cross multiply
    20,375.04x = 30,564.48 × 7,228.80
  4. Step 4: Simplify right side
    20,375.04x = 220,944,513.02
  5. Step 5: Solve for x
    x = 220,944,513.02/20,375.04
  6. Step 6: Final answer
    x = 10,843.88

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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.