Home / 19,301.62-28,905.24-17,431.73

Finding the Fourth Proportional to 19,301.62, 28,905.24 and 17,431.73

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Solution

The fourth proportional to 19,301.62, 28,905.24 and 17,431.73 is: 26,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.62 : 28,905.24 = 17,431.73 : x
  2. Step 2: Convert to fraction form
    19,301.62/28,905.24 = 17,431.73/x
  3. Step 3: Cross multiply
    19,301.62x = 28,905.24 × 17,431.73
  4. Step 4: Simplify right side
    19,301.62x = 503,868,339.27
  5. Step 5: Solve for x
    x = 503,868,339.27/19,301.62
  6. Step 6: Final answer
    x = 26,104.98

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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.