Home / 20,097.36-30,120.01-17,305.29

Finding the Fourth Proportional to 20,097.36, 30,120.01 and 17,305.29

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Solution

The fourth proportional to 20,097.36, 30,120.01 and 17,305.29 is: 25,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.36 : 30,120.01 = 17,305.29 : x
  2. Step 2: Convert to fraction form
    20,097.36/30,120.01 = 17,305.29/x
  3. Step 3: Cross multiply
    20,097.36x = 30,120.01 × 17,305.29
  4. Step 4: Simplify right side
    20,097.36x = 521,235,507.85
  5. Step 5: Solve for x
    x = 521,235,507.85/20,097.36
  6. Step 6: Final answer
    x = 25,935.52

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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.