Home / 27,587.13-41,386.79-7,865.85

Finding the Fourth Proportional to 27,587.13, 41,386.79 and 7,865.85

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Solution

The fourth proportional to 27,587.13, 41,386.79 and 7,865.85 is: 11,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.13 : 41,386.79 = 7,865.85 : x
  2. Step 2: Convert to fraction form
    27,587.13/41,386.79 = 7,865.85/x
  3. Step 3: Cross multiply
    27,587.13x = 41,386.79 × 7,865.85
  4. Step 4: Simplify right side
    27,587.13x = 325,542,282.12
  5. Step 5: Solve for x
    x = 325,542,282.12/27,587.13
  6. Step 6: Final answer
    x = 11,800.51

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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.