Home / 18,619.52-27,929.24-4,768.48

Finding the Fourth Proportional to 18,619.52, 27,929.24 and 4,768.48

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Solution

The fourth proportional to 18,619.52, 27,929.24 and 4,768.48 is: 7,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.52 : 27,929.24 = 4,768.48 : x
  2. Step 2: Convert to fraction form
    18,619.52/27,929.24 = 4,768.48/x
  3. Step 3: Cross multiply
    18,619.52x = 27,929.24 × 4,768.48
  4. Step 4: Simplify right side
    18,619.52x = 133,180,022.36
  5. Step 5: Solve for x
    x = 133,180,022.36/18,619.52
  6. Step 6: Final answer
    x = 7,152.71

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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.