Home / 27,578.07-41,367.33-7,856.55

Finding the Fourth Proportional to 27,578.07, 41,367.33 and 7,856.55

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Solution

The fourth proportional to 27,578.07, 41,367.33 and 7,856.55 is: 11,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.07 : 41,367.33 = 7,856.55 : x
  2. Step 2: Convert to fraction form
    27,578.07/41,367.33 = 7,856.55/x
  3. Step 3: Cross multiply
    27,578.07x = 41,367.33 × 7,856.55
  4. Step 4: Simplify right side
    27,578.07x = 325,004,496.51
  5. Step 5: Solve for x
    x = 325,004,496.51/27,578.07
  6. Step 6: Final answer
    x = 11,784.89

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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.