Home / 19,830.26-27,367.52-10,879.51

Finding the Fourth Proportional to 19,830.26, 27,367.52 and 10,879.51

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Solution

The fourth proportional to 19,830.26, 27,367.52 and 10,879.51 is: 15,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.26 : 27,367.52 = 10,879.51 : x
  2. Step 2: Convert to fraction form
    19,830.26/27,367.52 = 10,879.51/x
  3. Step 3: Cross multiply
    19,830.26x = 27,367.52 × 10,879.51
  4. Step 4: Simplify right side
    19,830.26x = 297,745,207.52
  5. Step 5: Solve for x
    x = 297,745,207.52/19,830.26
  6. Step 6: Final answer
    x = 15,014.69

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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.