Home / 28,035.30-38,686.94-16,090.22

Finding the Fourth Proportional to 28,035.30, 38,686.94 and 16,090.22

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Solution

The fourth proportional to 28,035.30, 38,686.94 and 16,090.22 is: 22,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.30 : 38,686.94 = 16,090.22 : x
  2. Step 2: Convert to fraction form
    28,035.30/38,686.94 = 16,090.22/x
  3. Step 3: Cross multiply
    28,035.30x = 38,686.94 × 16,090.22
  4. Step 4: Simplify right side
    28,035.30x = 622,481,375.73
  5. Step 5: Solve for x
    x = 622,481,375.73/28,035.30
  6. Step 6: Final answer
    x = 22,203.49

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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.