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Finding the Fourth Proportional to 22,019.58, 33,030.94 and 8,872.02

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Solution

The fourth proportional to 22,019.58, 33,030.94 and 8,872.02 is: 13,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.58 : 33,030.94 = 8,872.02 : x
  2. Step 2: Convert to fraction form
    22,019.58/33,030.94 = 8,872.02/x
  3. Step 3: Cross multiply
    22,019.58x = 33,030.94 × 8,872.02
  4. Step 4: Simplify right side
    22,019.58x = 293,051,160.30
  5. Step 5: Solve for x
    x = 293,051,160.30/22,019.58
  6. Step 6: Final answer
    x = 13,308.66

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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.