Home / 27,779.25-38,335.37-15,204

Finding the Fourth Proportional to 27,779.25, 38,335.37 and 15,204

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Solution

The fourth proportional to 27,779.25, 38,335.37 and 15,204 is: 20,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.25 : 38,335.37 = 15,204 : x
  2. Step 2: Convert to fraction form
    27,779.25/38,335.37 = 15,204/x
  3. Step 3: Cross multiply
    27,779.25x = 38,335.37 × 15,204
  4. Step 4: Simplify right side
    27,779.25x = 582,850,889.46
  5. Step 5: Solve for x
    x = 582,850,889.46/27,779.25
  6. Step 6: Final answer
    x = 20,981.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.