Home / 27,222.98-37,571.78-16,618.72

Finding the Fourth Proportional to 27,222.98, 37,571.78 and 16,618.72

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Solution

The fourth proportional to 27,222.98, 37,571.78 and 16,618.72 is: 22,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.98 : 37,571.78 = 16,618.72 : x
  2. Step 2: Convert to fraction form
    27,222.98/37,571.78 = 16,618.72/x
  3. Step 3: Cross multiply
    27,222.98x = 37,571.78 × 16,618.72
  4. Step 4: Simplify right side
    27,222.98x = 624,394,891.72
  5. Step 5: Solve for x
    x = 624,394,891.72/27,222.98
  6. Step 6: Final answer
    x = 22,936.32

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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.