Home / 20,284.27-27,960.54-18,654.96

Finding the Fourth Proportional to 20,284.27, 27,960.54 and 18,654.96

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Solution

The fourth proportional to 20,284.27, 27,960.54 and 18,654.96 is: 25,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.27 : 27,960.54 = 18,654.96 : x
  2. Step 2: Convert to fraction form
    20,284.27/27,960.54 = 18,654.96/x
  3. Step 3: Cross multiply
    20,284.27x = 27,960.54 × 18,654.96
  4. Step 4: Simplify right side
    20,284.27x = 521,602,755.28
  5. Step 5: Solve for x
    x = 521,602,755.28/20,284.27
  6. Step 6: Final answer
    x = 25,714.64

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1.5x scale

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.