Home / 27,915.84-41,889.15-12,333.06

Finding the Fourth Proportional to 27,915.84, 41,889.15 and 12,333.06

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Solution

The fourth proportional to 27,915.84, 41,889.15 and 12,333.06 is: 18,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.84 : 41,889.15 = 12,333.06 : x
  2. Step 2: Convert to fraction form
    27,915.84/41,889.15 = 12,333.06/x
  3. Step 3: Cross multiply
    27,915.84x = 41,889.15 × 12,333.06
  4. Step 4: Simplify right side
    27,915.84x = 516,621,400.30
  5. Step 5: Solve for x
    x = 516,621,400.30/27,915.84
  6. Step 6: Final answer
    x = 18,506.39

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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.