Home / 26,236.91-39,322.56-20,668.26

Finding the Fourth Proportional to 26,236.91, 39,322.56 and 20,668.26

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Solution

The fourth proportional to 26,236.91, 39,322.56 and 20,668.26 is: 30,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,236.91 : 39,322.56 = 20,668.26 : x
  2. Step 2: Convert to fraction form
    26,236.91/39,322.56 = 20,668.26/x
  3. Step 3: Cross multiply
    26,236.91x = 39,322.56 × 20,668.26
  4. Step 4: Simplify right side
    26,236.91x = 812,729,118.91
  5. Step 5: Solve for x
    x = 812,729,118.91/26,236.91
  6. Step 6: Final answer
    x = 30,976.55

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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.