Home / 18,345.38-27,487.40-17,662.82

Finding the Fourth Proportional to 18,345.38, 27,487.40 and 17,662.82

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Solution

The fourth proportional to 18,345.38, 27,487.40 and 17,662.82 is: 26,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.38 : 27,487.40 = 17,662.82 : x
  2. Step 2: Convert to fraction form
    18,345.38/27,487.40 = 17,662.82/x
  3. Step 3: Cross multiply
    18,345.38x = 27,487.40 × 17,662.82
  4. Step 4: Simplify right side
    18,345.38x = 485,504,772.72
  5. Step 5: Solve for x
    x = 485,504,772.72/18,345.38
  6. Step 6: Final answer
    x = 26,464.70

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1.5x scale

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.