Home / 28,198.38-42,215.34-24,438.78

Finding the Fourth Proportional to 28,198.38, 42,215.34 and 24,438.78

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Solution

The fourth proportional to 28,198.38, 42,215.34 and 24,438.78 is: 36,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.38 : 42,215.34 = 24,438.78 : x
  2. Step 2: Convert to fraction form
    28,198.38/42,215.34 = 24,438.78/x
  3. Step 3: Cross multiply
    28,198.38x = 42,215.34 × 24,438.78
  4. Step 4: Simplify right side
    28,198.38x = 1,031,691,406.89
  5. Step 5: Solve for x
    x = 1,031,691,406.89/28,198.38
  6. Step 6: Final answer
    x = 36,586.90

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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.