Home / 27,141.48-40,777.92-17,299.80

Finding the Fourth Proportional to 27,141.48, 40,777.92 and 17,299.80

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Solution

The fourth proportional to 27,141.48, 40,777.92 and 17,299.80 is: 25,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.48 : 40,777.92 = 17,299.80 : x
  2. Step 2: Convert to fraction form
    27,141.48/40,777.92 = 17,299.80/x
  3. Step 3: Cross multiply
    27,141.48x = 40,777.92 × 17,299.80
  4. Step 4: Simplify right side
    27,141.48x = 705,449,860.42
  5. Step 5: Solve for x
    x = 705,449,860.42/27,141.48
  6. Step 6: Final answer
    x = 25,991.58

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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.