Home / 27,568.31-41,310.99-20,515.23

Finding the Fourth Proportional to 27,568.31, 41,310.99 and 20,515.23

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Solution

The fourth proportional to 27,568.31, 41,310.99 and 20,515.23 is: 30,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.31 : 41,310.99 = 20,515.23 : x
  2. Step 2: Convert to fraction form
    27,568.31/41,310.99 = 20,515.23/x
  3. Step 3: Cross multiply
    27,568.31x = 41,310.99 × 20,515.23
  4. Step 4: Simplify right side
    27,568.31x = 847,504,461.38
  5. Step 5: Solve for x
    x = 847,504,461.38/27,568.31
  6. Step 6: Final answer
    x = 30,741.99

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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.