Home / 27,881.78-41,830.88-14,743.38

Finding the Fourth Proportional to 27,881.78, 41,830.88 and 14,743.38

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Solution

The fourth proportional to 27,881.78, 41,830.88 and 14,743.38 is: 22,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.78 : 41,830.88 = 14,743.38 : x
  2. Step 2: Convert to fraction form
    27,881.78/41,830.88 = 14,743.38/x
  3. Step 3: Cross multiply
    27,881.78x = 41,830.88 × 14,743.38
  4. Step 4: Simplify right side
    27,881.78x = 616,728,559.57
  5. Step 5: Solve for x
    x = 616,728,559.57/27,881.78
  6. Step 6: Final answer
    x = 22,119.41

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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.