Home / 18,377.47-27,602.66-15,743.96

Finding the Fourth Proportional to 18,377.47, 27,602.66 and 15,743.96

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Solution

The fourth proportional to 18,377.47, 27,602.66 and 15,743.96 is: 23,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.47 : 27,602.66 = 15,743.96 : x
  2. Step 2: Convert to fraction form
    18,377.47/27,602.66 = 15,743.96/x
  3. Step 3: Cross multiply
    18,377.47x = 27,602.66 × 15,743.96
  4. Step 4: Simplify right side
    18,377.47x = 434,575,174.93
  5. Step 5: Solve for x
    x = 434,575,174.93/18,377.47
  6. Step 6: Final answer
    x = 23,647.17

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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.