Home / 22,420.20-33,622.20-9,087.60

Finding the Fourth Proportional to 22,420.20, 33,622.20 and 9,087.60

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Solution

The fourth proportional to 22,420.20, 33,622.20 and 9,087.60 is: 13,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.20 : 33,622.20 = 9,087.60 : x
  2. Step 2: Convert to fraction form
    22,420.20/33,622.20 = 9,087.60/x
  3. Step 3: Cross multiply
    22,420.20x = 33,622.20 × 9,087.60
  4. Step 4: Simplify right side
    22,420.20x = 305,545,104.72
  5. Step 5: Solve for x
    x = 305,545,104.72/22,420.20
  6. Step 6: Final answer
    x = 13,628.12

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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.