Home / 27,518.48-41,257.55-8,787.72

Finding the Fourth Proportional to 27,518.48, 41,257.55 and 8,787.72

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Solution

The fourth proportional to 27,518.48, 41,257.55 and 8,787.72 is: 13,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.48 : 41,257.55 = 8,787.72 : x
  2. Step 2: Convert to fraction form
    27,518.48/41,257.55 = 8,787.72/x
  3. Step 3: Cross multiply
    27,518.48x = 41,257.55 × 8,787.72
  4. Step 4: Simplify right side
    27,518.48x = 362,559,753.35
  5. Step 5: Solve for x
    x = 362,559,753.35/27,518.48
  6. Step 6: Final answer
    x = 13,175.14

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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.