Home / 20,004.60-27,605.72-10,929.82

Finding the Fourth Proportional to 20,004.60, 27,605.72 and 10,929.82

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Solution

The fourth proportional to 20,004.60, 27,605.72 and 10,929.82 is: 15,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.60 : 27,605.72 = 10,929.82 : x
  2. Step 2: Convert to fraction form
    20,004.60/27,605.72 = 10,929.82/x
  3. Step 3: Cross multiply
    20,004.60x = 27,605.72 × 10,929.82
  4. Step 4: Simplify right side
    20,004.60x = 301,725,550.57
  5. Step 5: Solve for x
    x = 301,725,550.57/20,004.60
  6. Step 6: Final answer
    x = 15,082.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.