Home / 26,979.78-40,465.98-10,344

Finding the Fourth Proportional to 26,979.78, 40,465.98 and 10,344

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Solution

The fourth proportional to 26,979.78, 40,465.98 and 10,344 is: 15,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.78 : 40,465.98 = 10,344 : x
  2. Step 2: Convert to fraction form
    26,979.78/40,465.98 = 10,344/x
  3. Step 3: Cross multiply
    26,979.78x = 40,465.98 × 10,344
  4. Step 4: Simplify right side
    26,979.78x = 418,580,097.12
  5. Step 5: Solve for x
    x = 418,580,097.12/26,979.78
  6. Step 6: Final answer
    x = 15,514.59

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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.