Home / 27,571.67-41,290.86-15,689.43

Finding the Fourth Proportional to 27,571.67, 41,290.86 and 15,689.43

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Solution

The fourth proportional to 27,571.67, 41,290.86 and 15,689.43 is: 23,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.67 : 41,290.86 = 15,689.43 : x
  2. Step 2: Convert to fraction form
    27,571.67/41,290.86 = 15,689.43/x
  3. Step 3: Cross multiply
    27,571.67x = 41,290.86 × 15,689.43
  4. Step 4: Simplify right side
    27,571.67x = 647,830,057.61
  5. Step 5: Solve for x
    x = 647,830,057.61/27,571.67
  6. Step 6: Final answer
    x = 23,496.23

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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.