Home / 18,425.12-27,629.12-5,942.80

Finding the Fourth Proportional to 18,425.12, 27,629.12 and 5,942.80

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Solution

The fourth proportional to 18,425.12, 27,629.12 and 5,942.80 is: 8,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.12 : 27,629.12 = 5,942.80 : x
  2. Step 2: Convert to fraction form
    18,425.12/27,629.12 = 5,942.80/x
  3. Step 3: Cross multiply
    18,425.12x = 27,629.12 × 5,942.80
  4. Step 4: Simplify right side
    18,425.12x = 164,194,334.34
  5. Step 5: Solve for x
    x = 164,194,334.34/18,425.12
  6. Step 6: Final answer
    x = 8,911.44

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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.