Home / 27,757.01-38,305.07-15,658.05

Finding the Fourth Proportional to 27,757.01, 38,305.07 and 15,658.05

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Solution

The fourth proportional to 27,757.01, 38,305.07 and 15,658.05 is: 21,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.01 : 38,305.07 = 15,658.05 : x
  2. Step 2: Convert to fraction form
    27,757.01/38,305.07 = 15,658.05/x
  3. Step 3: Cross multiply
    27,757.01x = 38,305.07 × 15,658.05
  4. Step 4: Simplify right side
    27,757.01x = 599,782,623.02
  5. Step 5: Solve for x
    x = 599,782,623.02/27,757.01
  6. Step 6: Final answer
    x = 21,608.33

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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.