Home / 27,173.72-40,725.50-12,169.88

Finding the Fourth Proportional to 27,173.72, 40,725.50 and 12,169.88

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Solution

The fourth proportional to 27,173.72, 40,725.50 and 12,169.88 is: 18,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.72 : 40,725.50 = 12,169.88 : x
  2. Step 2: Convert to fraction form
    27,173.72/40,725.50 = 12,169.88/x
  3. Step 3: Cross multiply
    27,173.72x = 40,725.50 × 12,169.88
  4. Step 4: Simplify right side
    27,173.72x = 495,624,183.46
  5. Step 5: Solve for x
    x = 495,624,183.46/27,173.72
  6. Step 6: Final answer
    x = 18,239.10

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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.