Home / 27,705.84-41,568.48-12,134.40

Finding the Fourth Proportional to 27,705.84, 41,568.48 and 12,134.40

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Solution

The fourth proportional to 27,705.84, 41,568.48 and 12,134.40 is: 18,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.84 : 41,568.48 = 12,134.40 : x
  2. Step 2: Convert to fraction form
    27,705.84/41,568.48 = 12,134.40/x
  3. Step 3: Cross multiply
    27,705.84x = 41,568.48 × 12,134.40
  4. Step 4: Simplify right side
    27,705.84x = 504,408,563.71
  5. Step 5: Solve for x
    x = 504,408,563.71/27,705.84
  6. Step 6: Final answer
    x = 18,205.86

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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.