Home / 27,449.50-37,881.96-15,512.56

Finding the Fourth Proportional to 27,449.50, 37,881.96 and 15,512.56

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Solution

The fourth proportional to 27,449.50, 37,881.96 and 15,512.56 is: 21,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.50 : 37,881.96 = 15,512.56 : x
  2. Step 2: Convert to fraction form
    27,449.50/37,881.96 = 15,512.56/x
  3. Step 3: Cross multiply
    27,449.50x = 37,881.96 × 15,512.56
  4. Step 4: Simplify right side
    27,449.50x = 587,646,177.42
  5. Step 5: Solve for x
    x = 587,646,177.42/27,449.50
  6. Step 6: Final answer
    x = 21,408.27

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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.