Home / 27,122.80-40,694.20-11,329.48

Finding the Fourth Proportional to 27,122.80, 40,694.20 and 11,329.48

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Solution

The fourth proportional to 27,122.80, 40,694.20 and 11,329.48 is: 16,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.80 : 40,694.20 = 11,329.48 : x
  2. Step 2: Convert to fraction form
    27,122.80/40,694.20 = 11,329.48/x
  3. Step 3: Cross multiply
    27,122.80x = 40,694.20 × 11,329.48
  4. Step 4: Simplify right side
    27,122.80x = 461,044,125.02
  5. Step 5: Solve for x
    x = 461,044,125.02/27,122.80
  6. Step 6: Final answer
    x = 16,998.40

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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.