Home / 27,587.30-41,381.34-7,865.86

Finding the Fourth Proportional to 27,587.30, 41,381.34 and 7,865.86

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Solution

The fourth proportional to 27,587.30, 41,381.34 and 7,865.86 is: 11,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.30 : 41,381.34 = 7,865.86 : x
  2. Step 2: Convert to fraction form
    27,587.30/41,381.34 = 7,865.86/x
  3. Step 3: Cross multiply
    27,587.30x = 41,381.34 × 7,865.86
  4. Step 4: Simplify right side
    27,587.30x = 325,499,694.10
  5. Step 5: Solve for x
    x = 325,499,694.10/27,587.30
  6. Step 6: Final answer
    x = 11,798.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.