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Finding the Fourth Proportional to 22,480.80, 33,692.04 and 15,074.16

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Solution

The fourth proportional to 22,480.80, 33,692.04 and 15,074.16 is: 22,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.80 : 33,692.04 = 15,074.16 : x
  2. Step 2: Convert to fraction form
    22,480.80/33,692.04 = 15,074.16/x
  3. Step 3: Cross multiply
    22,480.80x = 33,692.04 × 15,074.16
  4. Step 4: Simplify right side
    22,480.80x = 507,879,201.69
  5. Step 5: Solve for x
    x = 507,879,201.69/22,480.80
  6. Step 6: Final answer
    x = 22,591.69

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1.5x scale

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.