Home / 27,720.16-41,579.52-12,137.92

Finding the Fourth Proportional to 27,720.16, 41,579.52 and 12,137.92

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Solution

The fourth proportional to 27,720.16, 41,579.52 and 12,137.92 is: 18,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.16 : 41,579.52 = 12,137.92 : x
  2. Step 2: Convert to fraction form
    27,720.16/41,579.52 = 12,137.92/x
  3. Step 3: Cross multiply
    27,720.16x = 41,579.52 × 12,137.92
  4. Step 4: Simplify right side
    27,720.16x = 504,688,887.40
  5. Step 5: Solve for x
    x = 504,688,887.40/27,720.16
  6. Step 6: Final answer
    x = 18,206.56

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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.