Home / 27,553.20-38,023.01-15,453.69

Finding the Fourth Proportional to 27,553.20, 38,023.01 and 15,453.69

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Solution

The fourth proportional to 27,553.20, 38,023.01 and 15,453.69 is: 21,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.20 : 38,023.01 = 15,453.69 : x
  2. Step 2: Convert to fraction form
    27,553.20/38,023.01 = 15,453.69/x
  3. Step 3: Cross multiply
    27,553.20x = 38,023.01 × 15,453.69
  4. Step 4: Simplify right side
    27,553.20x = 587,595,732.14
  5. Step 5: Solve for x
    x = 587,595,732.14/27,553.20
  6. Step 6: Final answer
    x = 21,325.86

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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.