Home / 27,926.44-38,540.90-15,353.64

Finding the Fourth Proportional to 27,926.44, 38,540.90 and 15,353.64

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Solution

The fourth proportional to 27,926.44, 38,540.90 and 15,353.64 is: 21,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.44 : 38,540.90 = 15,353.64 : x
  2. Step 2: Convert to fraction form
    27,926.44/38,540.90 = 15,353.64/x
  3. Step 3: Cross multiply
    27,926.44x = 38,540.90 × 15,353.64
  4. Step 4: Simplify right side
    27,926.44x = 591,743,103.88
  5. Step 5: Solve for x
    x = 591,743,103.88/27,926.44
  6. Step 6: Final answer
    x = 21,189.35

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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.