Home / 22,053.30-33,122.50-18,897.90

Finding the Fourth Proportional to 22,053.30, 33,122.50 and 18,897.90

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Solution

The fourth proportional to 22,053.30, 33,122.50 and 18,897.90 is: 28,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.30 : 33,122.50 = 18,897.90 : x
  2. Step 2: Convert to fraction form
    22,053.30/33,122.50 = 18,897.90/x
  3. Step 3: Cross multiply
    22,053.30x = 33,122.50 × 18,897.90
  4. Step 4: Simplify right side
    22,053.30x = 625,945,692.75
  5. Step 5: Solve for x
    x = 625,945,692.75/22,053.30
  6. Step 6: Final answer
    x = 28,383.31

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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.