Home / 20,857.56-31,268.00-10,841.22

Finding the Fourth Proportional to 20,857.56, 31,268.00 and 10,841.22

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Solution

The fourth proportional to 20,857.56, 31,268.00 and 10,841.22 is: 16,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,857.56 : 31,268.00 = 10,841.22 : x
  2. Step 2: Convert to fraction form
    20,857.56/31,268.00 = 10,841.22/x
  3. Step 3: Cross multiply
    20,857.56x = 31,268.00 × 10,841.22
  4. Step 4: Simplify right side
    20,857.56x = 338,983,212.75
  5. Step 5: Solve for x
    x = 338,983,212.75/20,857.56
  6. Step 6: Final answer
    x = 16,252.29

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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.