Home / 25,665.10-38,497.23-8,134.90

Finding the Fourth Proportional to 25,665.10, 38,497.23 and 8,134.90

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Solution

The fourth proportional to 25,665.10, 38,497.23 and 8,134.90 is: 12,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.10 : 38,497.23 = 8,134.90 : x
  2. Step 2: Convert to fraction form
    25,665.10/38,497.23 = 8,134.90/x
  3. Step 3: Cross multiply
    25,665.10x = 38,497.23 × 8,134.90
  4. Step 4: Simplify right side
    25,665.10x = 313,171,116.33
  5. Step 5: Solve for x
    x = 313,171,116.33/25,665.10
  6. Step 6: Final answer
    x = 12,202.22

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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.