Home / 28,249.44-42,372.72-8,527.92

Finding the Fourth Proportional to 28,249.44, 42,372.72 and 8,527.92

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Solution

The fourth proportional to 28,249.44, 42,372.72 and 8,527.92 is: 12,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.44 : 42,372.72 = 8,527.92 : x
  2. Step 2: Convert to fraction form
    28,249.44/42,372.72 = 8,527.92/x
  3. Step 3: Cross multiply
    28,249.44x = 42,372.72 × 8,527.92
  4. Step 4: Simplify right side
    28,249.44x = 361,351,166.34
  5. Step 5: Solve for x
    x = 361,351,166.34/28,249.44
  6. Step 6: Final answer
    x = 12,791.45

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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.