Home / 26,494.72-36,559.78-21,187.60

Finding the Fourth Proportional to 26,494.72, 36,559.78 and 21,187.60

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Solution

The fourth proportional to 26,494.72, 36,559.78 and 21,187.60 is: 29,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,494.72 : 36,559.78 = 21,187.60 : x
  2. Step 2: Convert to fraction form
    26,494.72/36,559.78 = 21,187.60/x
  3. Step 3: Cross multiply
    26,494.72x = 36,559.78 × 21,187.60
  4. Step 4: Simplify right side
    26,494.72x = 774,613,994.73
  5. Step 5: Solve for x
    x = 774,613,994.73/26,494.72
  6. Step 6: Final answer
    x = 29,236.54

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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.