Home / 27,131.10-40,759.00-19,253.04

Finding the Fourth Proportional to 27,131.10, 40,759.00 and 19,253.04

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Solution

The fourth proportional to 27,131.10, 40,759.00 and 19,253.04 is: 28,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.10 : 40,759.00 = 19,253.04 : x
  2. Step 2: Convert to fraction form
    27,131.10/40,759.00 = 19,253.04/x
  3. Step 3: Cross multiply
    27,131.10x = 40,759.00 × 19,253.04
  4. Step 4: Simplify right side
    27,131.10x = 784,734,685.65
  5. Step 5: Solve for x
    x = 784,734,685.65/27,131.10
  6. Step 6: Final answer
    x = 28,923.80

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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.