Home / 25,616.90-38,442.62-8,977.09

Finding the Fourth Proportional to 25,616.90, 38,442.62 and 8,977.09

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Solution

The fourth proportional to 25,616.90, 38,442.62 and 8,977.09 is: 13,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.90 : 38,442.62 = 8,977.09 : x
  2. Step 2: Convert to fraction form
    25,616.90/38,442.62 = 8,977.09/x
  3. Step 3: Cross multiply
    25,616.90x = 38,442.62 × 8,977.09
  4. Step 4: Simplify right side
    25,616.90x = 345,102,785.91
  5. Step 5: Solve for x
    x = 345,102,785.91/25,616.90
  6. Step 6: Final answer
    x = 13,471.68

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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.