Home / 23,689.20-32,692.68-13,620.96

Finding the Fourth Proportional to 23,689.20, 32,692.68 and 13,620.96

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Solution

The fourth proportional to 23,689.20, 32,692.68 and 13,620.96 is: 18,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.20 : 32,692.68 = 13,620.96 : x
  2. Step 2: Convert to fraction form
    23,689.20/32,692.68 = 13,620.96/x
  3. Step 3: Cross multiply
    23,689.20x = 32,692.68 × 13,620.96
  4. Step 4: Simplify right side
    23,689.20x = 445,305,686.57
  5. Step 5: Solve for x
    x = 445,305,686.57/23,689.20
  6. Step 6: Final answer
    x = 18,797.84

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1.5x scale

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.