Home / 27,449.42-37,877.16-15,512.73

Finding the Fourth Proportional to 27,449.42, 37,877.16 and 15,512.73

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Solution

The fourth proportional to 27,449.42, 37,877.16 and 15,512.73 is: 21,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.42 : 37,877.16 = 15,512.73 : x
  2. Step 2: Convert to fraction form
    27,449.42/37,877.16 = 15,512.73/x
  3. Step 3: Cross multiply
    27,449.42x = 37,877.16 × 15,512.73
  4. Step 4: Simplify right side
    27,449.42x = 587,578,156.25
  5. Step 5: Solve for x
    x = 587,578,156.25/27,449.42
  6. Step 6: Final answer
    x = 21,405.85

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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.