Home / 27,435.38-41,153.67-18,993.56

Finding the Fourth Proportional to 27,435.38, 41,153.67 and 18,993.56

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Solution

The fourth proportional to 27,435.38, 41,153.67 and 18,993.56 is: 28,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.38 : 41,153.67 = 18,993.56 : x
  2. Step 2: Convert to fraction form
    27,435.38/41,153.67 = 18,993.56/x
  3. Step 3: Cross multiply
    27,435.38x = 41,153.67 × 18,993.56
  4. Step 4: Simplify right side
    27,435.38x = 781,654,494.60
  5. Step 5: Solve for x
    x = 781,654,494.60/27,435.38
  6. Step 6: Final answer
    x = 28,490.75

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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.