Home / 27,449.96-37,881.24-15,513.44

Finding the Fourth Proportional to 27,449.96, 37,881.24 and 15,513.44

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Solution

The fourth proportional to 27,449.96, 37,881.24 and 15,513.44 is: 21,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.96 : 37,881.24 = 15,513.44 : x
  2. Step 2: Convert to fraction form
    27,449.96/37,881.24 = 15,513.44/x
  3. Step 3: Cross multiply
    27,449.96x = 37,881.24 × 15,513.44
  4. Step 4: Simplify right side
    27,449.96x = 587,668,343.87
  5. Step 5: Solve for x
    x = 587,668,343.87/27,449.96
  6. Step 6: Final answer
    x = 21,408.71

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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.