Home / 27,173.98-40,725.87-12,170.13

Finding the Fourth Proportional to 27,173.98, 40,725.87 and 12,170.13

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Solution

The fourth proportional to 27,173.98, 40,725.87 and 12,170.13 is: 18,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.98 : 40,725.87 = 12,170.13 : x
  2. Step 2: Convert to fraction form
    27,173.98/40,725.87 = 12,170.13/x
  3. Step 3: Cross multiply
    27,173.98x = 40,725.87 × 12,170.13
  4. Step 4: Simplify right side
    27,173.98x = 495,639,132.26
  5. Step 5: Solve for x
    x = 495,639,132.26/27,173.98
  6. Step 6: Final answer
    x = 18,239.48

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1.5x scale

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.