Home / 27,553.70-38,021.44-15,454.66

Finding the Fourth Proportional to 27,553.70, 38,021.44 and 15,454.66

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Solution

The fourth proportional to 27,553.70, 38,021.44 and 15,454.66 is: 21,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.70 : 38,021.44 = 15,454.66 : x
  2. Step 2: Convert to fraction form
    27,553.70/38,021.44 = 15,454.66/x
  3. Step 3: Cross multiply
    27,553.70x = 38,021.44 × 15,454.66
  4. Step 4: Simplify right side
    27,553.70x = 587,608,427.91
  5. Step 5: Solve for x
    x = 587,608,427.91/27,553.70
  6. Step 6: Final answer
    x = 21,325.94

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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.