Home / 18,027.82-26,875.09-17,743.78

Finding the Fourth Proportional to 18,027.82, 26,875.09 and 17,743.78

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Solution

The fourth proportional to 18,027.82, 26,875.09 and 17,743.78 is: 26,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.82 : 26,875.09 = 17,743.78 : x
  2. Step 2: Convert to fraction form
    18,027.82/26,875.09 = 17,743.78/x
  3. Step 3: Cross multiply
    18,027.82x = 26,875.09 × 17,743.78
  4. Step 4: Simplify right side
    18,027.82x = 476,865,684.44
  5. Step 5: Solve for x
    x = 476,865,684.44/18,027.82
  6. Step 6: Final answer
    x = 26,451.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.