Home / 19,932.05-27,506.45-10,979.37

Finding the Fourth Proportional to 19,932.05, 27,506.45 and 10,979.37

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Solution

The fourth proportional to 19,932.05, 27,506.45 and 10,979.37 is: 15,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.05 : 27,506.45 = 10,979.37 : x
  2. Step 2: Convert to fraction form
    19,932.05/27,506.45 = 10,979.37/x
  3. Step 3: Cross multiply
    19,932.05x = 27,506.45 × 10,979.37
  4. Step 4: Simplify right side
    19,932.05x = 302,003,491.94
  5. Step 5: Solve for x
    x = 302,003,491.94/19,932.05
  6. Step 6: Final answer
    x = 15,151.65

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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.