Home / 20,033.31-27,620.51-13,226.25

Finding the Fourth Proportional to 20,033.31, 27,620.51 and 13,226.25

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Solution

The fourth proportional to 20,033.31, 27,620.51 and 13,226.25 is: 18,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.31 : 27,620.51 = 13,226.25 : x
  2. Step 2: Convert to fraction form
    20,033.31/27,620.51 = 13,226.25/x
  3. Step 3: Cross multiply
    20,033.31x = 27,620.51 × 13,226.25
  4. Step 4: Simplify right side
    20,033.31x = 365,315,704.26
  5. Step 5: Solve for x
    x = 365,315,704.26/20,033.31
  6. Step 6: Final answer
    x = 18,235.41

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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.