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Finding the Fourth Proportional to 22,797.90, 33,889.14 and 22,125.15

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Solution

The fourth proportional to 22,797.90, 33,889.14 and 22,125.15 is: 32,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,797.90 : 33,889.14 = 22,125.15 : x
  2. Step 2: Convert to fraction form
    22,797.90/33,889.14 = 22,125.15/x
  3. Step 3: Cross multiply
    22,797.90x = 33,889.14 × 22,125.15
  4. Step 4: Simplify right side
    22,797.90x = 749,802,305.87
  5. Step 5: Solve for x
    x = 749,802,305.87/22,797.90
  6. Step 6: Final answer
    x = 32,889.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.