Home / 26,575.28-36,633.78-21,851.36

Finding the Fourth Proportional to 26,575.28, 36,633.78 and 21,851.36

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Solution

The fourth proportional to 26,575.28, 36,633.78 and 21,851.36 is: 30,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.28 : 36,633.78 = 21,851.36 : x
  2. Step 2: Convert to fraction form
    26,575.28/36,633.78 = 21,851.36/x
  3. Step 3: Cross multiply
    26,575.28x = 36,633.78 × 21,851.36
  4. Step 4: Simplify right side
    26,575.28x = 800,497,914.94
  5. Step 5: Solve for x
    x = 800,497,914.94/26,575.28
  6. Step 6: Final answer
    x = 30,121.90

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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.