Home / 27,784.09-41,668.72-7,792.48

Finding the Fourth Proportional to 27,784.09, 41,668.72 and 7,792.48

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Solution

The fourth proportional to 27,784.09, 41,668.72 and 7,792.48 is: 11,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.09 : 41,668.72 = 7,792.48 : x
  2. Step 2: Convert to fraction form
    27,784.09/41,668.72 = 7,792.48/x
  3. Step 3: Cross multiply
    27,784.09x = 41,668.72 × 7,792.48
  4. Step 4: Simplify right side
    27,784.09x = 324,702,667.23
  5. Step 5: Solve for x
    x = 324,702,667.23/27,784.09
  6. Step 6: Final answer
    x = 11,686.64

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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.