Home / 27,929.88-41,908.32-12,345.48

Finding the Fourth Proportional to 27,929.88, 41,908.32 and 12,345.48

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Solution

The fourth proportional to 27,929.88, 41,908.32 and 12,345.48 is: 18,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.88 : 41,908.32 = 12,345.48 : x
  2. Step 2: Convert to fraction form
    27,929.88/41,908.32 = 12,345.48/x
  3. Step 3: Cross multiply
    27,929.88x = 41,908.32 × 12,345.48
  4. Step 4: Simplify right side
    27,929.88x = 517,378,326.39
  5. Step 5: Solve for x
    x = 517,378,326.39/27,929.88
  6. Step 6: Final answer
    x = 18,524.19

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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.