Home / 27,358.22-41,043.72-8,640.14

Finding the Fourth Proportional to 27,358.22, 41,043.72 and 8,640.14

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Solution

The fourth proportional to 27,358.22, 41,043.72 and 8,640.14 is: 12,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.22 : 41,043.72 = 8,640.14 : x
  2. Step 2: Convert to fraction form
    27,358.22/41,043.72 = 8,640.14/x
  3. Step 3: Cross multiply
    27,358.22x = 41,043.72 × 8,640.14
  4. Step 4: Simplify right side
    27,358.22x = 354,623,486.92
  5. Step 5: Solve for x
    x = 354,623,486.92/27,358.22
  6. Step 6: Final answer
    x = 12,962.23

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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.