Home / 27,918.09-41,892.53-12,335.31

Finding the Fourth Proportional to 27,918.09, 41,892.53 and 12,335.31

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Solution

The fourth proportional to 27,918.09, 41,892.53 and 12,335.31 is: 18,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.09 : 41,892.53 = 12,335.31 : x
  2. Step 2: Convert to fraction form
    27,918.09/41,892.53 = 12,335.31/x
  3. Step 3: Cross multiply
    27,918.09x = 41,892.53 × 12,335.31
  4. Step 4: Simplify right side
    27,918.09x = 516,757,282.56
  5. Step 5: Solve for x
    x = 516,757,282.56/27,918.09
  6. Step 6: Final answer
    x = 18,509.76

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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.