Home / 26,590.82-39,886.24-18,245.54

Finding the Fourth Proportional to 26,590.82, 39,886.24 and 18,245.54

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Solution

The fourth proportional to 26,590.82, 39,886.24 and 18,245.54 is: 27,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.82 : 39,886.24 = 18,245.54 : x
  2. Step 2: Convert to fraction form
    26,590.82/39,886.24 = 18,245.54/x
  3. Step 3: Cross multiply
    26,590.82x = 39,886.24 × 18,245.54
  4. Step 4: Simplify right side
    26,590.82x = 727,745,987.37
  5. Step 5: Solve for x
    x = 727,745,987.37/26,590.82
  6. Step 6: Final answer
    x = 27,368.32

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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.