Home / 22,021.20-33,036.60-7,227.60

Finding the Fourth Proportional to 22,021.20, 33,036.60 and 7,227.60

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Solution

The fourth proportional to 22,021.20, 33,036.60 and 7,227.60 is: 10,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.20 : 33,036.60 = 7,227.60 : x
  2. Step 2: Convert to fraction form
    22,021.20/33,036.60 = 7,227.60/x
  3. Step 3: Cross multiply
    22,021.20x = 33,036.60 × 7,227.60
  4. Step 4: Simplify right side
    22,021.20x = 238,775,330.16
  5. Step 5: Solve for x
    x = 238,775,330.16/22,021.20
  6. Step 6: Final answer
    x = 10,842.98

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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.