Home / 27,932.79-41,890.19-9,208.47

Finding the Fourth Proportional to 27,932.79, 41,890.19 and 9,208.47

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Solution

The fourth proportional to 27,932.79, 41,890.19 and 9,208.47 is: 13,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.79 : 41,890.19 = 9,208.47 : x
  2. Step 2: Convert to fraction form
    27,932.79/41,890.19 = 9,208.47/x
  3. Step 3: Cross multiply
    27,932.79x = 41,890.19 × 9,208.47
  4. Step 4: Simplify right side
    27,932.79x = 385,744,511.87
  5. Step 5: Solve for x
    x = 385,744,511.87/27,932.79
  6. Step 6: Final answer
    x = 13,809.74

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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.