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Finding the Fourth Proportional to 22,032.88, 33,054.21 and 7,241.20

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Solution

The fourth proportional to 22,032.88, 33,054.21 and 7,241.20 is: 10,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.88 : 33,054.21 = 7,241.20 : x
  2. Step 2: Convert to fraction form
    22,032.88/33,054.21 = 7,241.20/x
  3. Step 3: Cross multiply
    22,032.88x = 33,054.21 × 7,241.20
  4. Step 4: Simplify right side
    22,032.88x = 239,352,062.82
  5. Step 5: Solve for x
    x = 239,352,062.82/22,032.88
  6. Step 6: Final answer
    x = 10,863.40

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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.