Home / 23,009.25-34,469.90-19,284.87

Finding the Fourth Proportional to 23,009.25, 34,469.90 and 19,284.87

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Solution

The fourth proportional to 23,009.25, 34,469.90 and 19,284.87 is: 28,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.25 : 34,469.90 = 19,284.87 : x
  2. Step 2: Convert to fraction form
    23,009.25/34,469.90 = 19,284.87/x
  3. Step 3: Cross multiply
    23,009.25x = 34,469.90 × 19,284.87
  4. Step 4: Simplify right side
    23,009.25x = 664,747,540.41
  5. Step 5: Solve for x
    x = 664,747,540.41/23,009.25
  6. Step 6: Final answer
    x = 28,890.45

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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.