Home / 18,442.35-27,659.72-5,291.79

Finding the Fourth Proportional to 18,442.35, 27,659.72 and 5,291.79

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Solution

The fourth proportional to 18,442.35, 27,659.72 and 5,291.79 is: 7,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.35 : 27,659.72 = 5,291.79 : x
  2. Step 2: Convert to fraction form
    18,442.35/27,659.72 = 5,291.79/x
  3. Step 3: Cross multiply
    18,442.35x = 27,659.72 × 5,291.79
  4. Step 4: Simplify right side
    18,442.35x = 146,369,403.24
  5. Step 5: Solve for x
    x = 146,369,403.24/18,442.35
  6. Step 6: Final answer
    x = 7,936.59

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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.