Home / 20,042.51-30,028.11-17,090.87

Finding the Fourth Proportional to 20,042.51, 30,028.11 and 17,090.87

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Solution

The fourth proportional to 20,042.51, 30,028.11 and 17,090.87 is: 25,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.51 : 30,028.11 = 17,090.87 : x
  2. Step 2: Convert to fraction form
    20,042.51/30,028.11 = 17,090.87/x
  3. Step 3: Cross multiply
    20,042.51x = 30,028.11 × 17,090.87
  4. Step 4: Simplify right side
    20,042.51x = 513,206,524.36
  5. Step 5: Solve for x
    x = 513,206,524.36/20,042.51
  6. Step 6: Final answer
    x = 25,605.90

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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.