Home / 25,255.32-37,874.62-8,384.43

Finding the Fourth Proportional to 25,255.32, 37,874.62 and 8,384.43

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Solution

The fourth proportional to 25,255.32, 37,874.62 and 8,384.43 is: 12,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.32 : 37,874.62 = 8,384.43 : x
  2. Step 2: Convert to fraction form
    25,255.32/37,874.62 = 8,384.43/x
  3. Step 3: Cross multiply
    25,255.32x = 37,874.62 × 8,384.43
  4. Step 4: Simplify right side
    25,255.32x = 317,557,100.17
  5. Step 5: Solve for x
    x = 317,557,100.17/25,255.32
  6. Step 6: Final answer
    x = 12,573.87

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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.