Home / 18,455.82-27,626.31-17,865.33

Finding the Fourth Proportional to 18,455.82, 27,626.31 and 17,865.33

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Solution

The fourth proportional to 18,455.82, 27,626.31 and 17,865.33 is: 26,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.82 : 27,626.31 = 17,865.33 : x
  2. Step 2: Convert to fraction form
    18,455.82/27,626.31 = 17,865.33/x
  3. Step 3: Cross multiply
    18,455.82x = 27,626.31 × 17,865.33
  4. Step 4: Simplify right side
    18,455.82x = 493,553,144.83
  5. Step 5: Solve for x
    x = 493,553,144.83/18,455.82
  6. Step 6: Final answer
    x = 26,742.41

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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.