Home / 28,322.82-38,921.46-27,021.96

Finding the Fourth Proportional to 28,322.82, 38,921.46 and 27,021.96

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Solution

The fourth proportional to 28,322.82, 38,921.46 and 27,021.96 is: 37,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.82 : 38,921.46 = 27,021.96 : x
  2. Step 2: Convert to fraction form
    28,322.82/38,921.46 = 27,021.96/x
  3. Step 3: Cross multiply
    28,322.82x = 38,921.46 × 27,021.96
  4. Step 4: Simplify right side
    28,322.82x = 1,051,734,135.26
  5. Step 5: Solve for x
    x = 1,051,734,135.26/28,322.82
  6. Step 6: Final answer
    x = 37,133.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.