Home / 27,150.19-37,469.08-18,212.65

Finding the Fourth Proportional to 27,150.19, 37,469.08 and 18,212.65

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Solution

The fourth proportional to 27,150.19, 37,469.08 and 18,212.65 is: 25,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.19 : 37,469.08 = 18,212.65 : x
  2. Step 2: Convert to fraction form
    27,150.19/37,469.08 = 18,212.65/x
  3. Step 3: Cross multiply
    27,150.19x = 37,469.08 × 18,212.65
  4. Step 4: Simplify right side
    27,150.19x = 682,411,168.96
  5. Step 5: Solve for x
    x = 682,411,168.96/27,150.19
  6. Step 6: Final answer
    x = 25,134.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.