Home / 27,270.72-37,636.92-15,334.56

Finding the Fourth Proportional to 27,270.72, 37,636.92 and 15,334.56

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Solution

The fourth proportional to 27,270.72, 37,636.92 and 15,334.56 is: 21,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.72 : 37,636.92 = 15,334.56 : x
  2. Step 2: Convert to fraction form
    27,270.72/37,636.92 = 15,334.56/x
  3. Step 3: Cross multiply
    27,270.72x = 37,636.92 × 15,334.56
  4. Step 4: Simplify right side
    27,270.72x = 577,145,607.96
  5. Step 5: Solve for x
    x = 577,145,607.96/27,270.72
  6. Step 6: Final answer
    x = 21,163.56

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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.