Home / 28,524.40-42,796.32-15,378.04

Finding the Fourth Proportional to 28,524.40, 42,796.32 and 15,378.04

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Solution

The fourth proportional to 28,524.40, 42,796.32 and 15,378.04 is: 23,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.40 : 42,796.32 = 15,378.04 : x
  2. Step 2: Convert to fraction form
    28,524.40/42,796.32 = 15,378.04/x
  3. Step 3: Cross multiply
    28,524.40x = 42,796.32 × 15,378.04
  4. Step 4: Simplify right side
    28,524.40x = 658,123,520.81
  5. Step 5: Solve for x
    x = 658,123,520.81/28,524.40
  6. Step 6: Final answer
    x = 23,072.30

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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.