Home / 19,345.82-28,979.84-10,092.38

Finding the Fourth Proportional to 19,345.82, 28,979.84 and 10,092.38

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Solution

The fourth proportional to 19,345.82, 28,979.84 and 10,092.38 is: 15,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.82 : 28,979.84 = 10,092.38 : x
  2. Step 2: Convert to fraction form
    19,345.82/28,979.84 = 10,092.38/x
  3. Step 3: Cross multiply
    19,345.82x = 28,979.84 × 10,092.38
  4. Step 4: Simplify right side
    19,345.82x = 292,475,437.95
  5. Step 5: Solve for x
    x = 292,475,437.95/19,345.82
  6. Step 6: Final answer
    x = 15,118.28

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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.