Home / 27,996.75-38,635.18-15,249.89

Finding the Fourth Proportional to 27,996.75, 38,635.18 and 15,249.89

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Solution

The fourth proportional to 27,996.75, 38,635.18 and 15,249.89 is: 21,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.75 : 38,635.18 = 15,249.89 : x
  2. Step 2: Convert to fraction form
    27,996.75/38,635.18 = 15,249.89/x
  3. Step 3: Cross multiply
    27,996.75x = 38,635.18 × 15,249.89
  4. Step 4: Simplify right side
    27,996.75x = 589,182,245.13
  5. Step 5: Solve for x
    x = 589,182,245.13/27,996.75
  6. Step 6: Final answer
    x = 21,044.67

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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.