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Finding the Fourth Proportional to 22,692.48, 33,980.40 and 13,900.74

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Solution

The fourth proportional to 22,692.48, 33,980.40 and 13,900.74 is: 20,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.48 : 33,980.40 = 13,900.74 : x
  2. Step 2: Convert to fraction form
    22,692.48/33,980.40 = 13,900.74/x
  3. Step 3: Cross multiply
    22,692.48x = 33,980.40 × 13,900.74
  4. Step 4: Simplify right side
    22,692.48x = 472,352,705.50
  5. Step 5: Solve for x
    x = 472,352,705.50/22,692.48
  6. Step 6: Final answer
    x = 20,815.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.