Home / 18,618.93-27,938.82-14,467.28

Finding the Fourth Proportional to 18,618.93, 27,938.82 and 14,467.28

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Solution

The fourth proportional to 18,618.93, 27,938.82 and 14,467.28 is: 21,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.93 : 27,938.82 = 14,467.28 : x
  2. Step 2: Convert to fraction form
    18,618.93/27,938.82 = 14,467.28/x
  3. Step 3: Cross multiply
    18,618.93x = 27,938.82 × 14,467.28
  4. Step 4: Simplify right side
    18,618.93x = 404,198,646.37
  5. Step 5: Solve for x
    x = 404,198,646.37/18,618.93
  6. Step 6: Final answer
    x = 21,709.02

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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.