Home / 19,519.57-29,318.95-17,231.42

Finding the Fourth Proportional to 19,519.57, 29,318.95 and 17,231.42

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Solution

The fourth proportional to 19,519.57, 29,318.95 and 17,231.42 is: 25,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.57 : 29,318.95 = 17,231.42 : x
  2. Step 2: Convert to fraction form
    19,519.57/29,318.95 = 17,231.42/x
  3. Step 3: Cross multiply
    19,519.57x = 29,318.95 × 17,231.42
  4. Step 4: Simplify right side
    19,519.57x = 505,207,141.41
  5. Step 5: Solve for x
    x = 505,207,141.41/19,519.57
  6. Step 6: Final answer
    x = 25,882.08

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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.