Home / 25,208.12-34,793.62-15,137

Finding the Fourth Proportional to 25,208.12, 34,793.62 and 15,137

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Solution

The fourth proportional to 25,208.12, 34,793.62 and 15,137 is: 20,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.12 : 34,793.62 = 15,137 : x
  2. Step 2: Convert to fraction form
    25,208.12/34,793.62 = 15,137/x
  3. Step 3: Cross multiply
    25,208.12x = 34,793.62 × 15,137
  4. Step 4: Simplify right side
    25,208.12x = 526,671,025.94
  5. Step 5: Solve for x
    x = 526,671,025.94/25,208.12
  6. Step 6: Final answer
    x = 20,892.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.