Home / 33,821.29-46,692.15-20,395.95

Finding the Fourth Proportional to 33,821.29, 46,692.15 and 20,395.95

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Solution

The fourth proportional to 33,821.29, 46,692.15 and 20,395.95 is: 28,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.29 : 46,692.15 = 20,395.95 : x
  2. Step 2: Convert to fraction form
    33,821.29/46,692.15 = 20,395.95/x
  3. Step 3: Cross multiply
    33,821.29x = 46,692.15 × 20,395.95
  4. Step 4: Simplify right side
    33,821.29x = 952,330,756.79
  5. Step 5: Solve for x
    x = 952,330,756.79/33,821.29
  6. Step 6: Final answer
    x = 28,157.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.