Home / 27,191.54-40,721.70-15,469.22

Finding the Fourth Proportional to 27,191.54, 40,721.70 and 15,469.22

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Solution

The fourth proportional to 27,191.54, 40,721.70 and 15,469.22 is: 23,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.54 : 40,721.70 = 15,469.22 : x
  2. Step 2: Convert to fraction form
    27,191.54/40,721.70 = 15,469.22/x
  3. Step 3: Cross multiply
    27,191.54x = 40,721.70 × 15,469.22
  4. Step 4: Simplify right side
    27,191.54x = 629,932,936.07
  5. Step 5: Solve for x
    x = 629,932,936.07/27,191.54
  6. Step 6: Final answer
    x = 23,166.50

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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.