Home / 25,511.74-38,274.48-8,872.70

Finding the Fourth Proportional to 25,511.74, 38,274.48 and 8,872.70

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Solution

The fourth proportional to 25,511.74, 38,274.48 and 8,872.70 is: 13,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.74 : 38,274.48 = 8,872.70 : x
  2. Step 2: Convert to fraction form
    25,511.74/38,274.48 = 8,872.70/x
  3. Step 3: Cross multiply
    25,511.74x = 38,274.48 × 8,872.70
  4. Step 4: Simplify right side
    25,511.74x = 339,597,787.32
  5. Step 5: Solve for x
    x = 339,597,787.32/25,511.74
  6. Step 6: Final answer
    x = 13,311.43

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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.