Home / 27,161.30-37,481.93-15,061.72

Finding the Fourth Proportional to 27,161.30, 37,481.93 and 15,061.72

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Solution

The fourth proportional to 27,161.30, 37,481.93 and 15,061.72 is: 20,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.30 : 37,481.93 = 15,061.72 : x
  2. Step 2: Convert to fraction form
    27,161.30/37,481.93 = 15,061.72/x
  3. Step 3: Cross multiply
    27,161.30x = 37,481.93 × 15,061.72
  4. Step 4: Simplify right side
    27,161.30x = 564,542,072.00
  5. Step 5: Solve for x
    x = 564,542,072.00/27,161.30
  6. Step 6: Final answer
    x = 20,784.80

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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.