Home / 28,040.91-41,975.49-18,160.53

Finding the Fourth Proportional to 28,040.91, 41,975.49 and 18,160.53

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Solution

The fourth proportional to 28,040.91, 41,975.49 and 18,160.53 is: 27,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.91 : 41,975.49 = 18,160.53 : x
  2. Step 2: Convert to fraction form
    28,040.91/41,975.49 = 18,160.53/x
  3. Step 3: Cross multiply
    28,040.91x = 41,975.49 × 18,160.53
  4. Step 4: Simplify right side
    28,040.91x = 762,297,145.41
  5. Step 5: Solve for x
    x = 762,297,145.41/28,040.91
  6. Step 6: Final answer
    x = 27,185.18

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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.