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Finding the Fourth Proportional to 22,028.64, 33,043.68 and 7,237.32

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Solution

The fourth proportional to 22,028.64, 33,043.68 and 7,237.32 is: 10,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.64 : 33,043.68 = 7,237.32 : x
  2. Step 2: Convert to fraction form
    22,028.64/33,043.68 = 7,237.32/x
  3. Step 3: Cross multiply
    22,028.64x = 33,043.68 × 7,237.32
  4. Step 4: Simplify right side
    22,028.64x = 239,147,686.14
  5. Step 5: Solve for x
    x = 239,147,686.14/22,028.64
  6. Step 6: Final answer
    x = 10,856.22

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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.