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Finding the Fourth Proportional to 22,015.90, 33,027.90 and 10,329.10

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Solution

The fourth proportional to 22,015.90, 33,027.90 and 10,329.10 is: 15,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.90 : 33,027.90 = 10,329.10 : x
  2. Step 2: Convert to fraction form
    22,015.90/33,027.90 = 10,329.10/x
  3. Step 3: Cross multiply
    22,015.90x = 33,027.90 × 10,329.10
  4. Step 4: Simplify right side
    22,015.90x = 341,148,481.89
  5. Step 5: Solve for x
    x = 341,148,481.89/22,015.90
  6. Step 6: Final answer
    x = 15,495.55

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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.