Home / 20,848.38-31,272.97-9,748.95

Finding the Fourth Proportional to 20,848.38, 31,272.97 and 9,748.95

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Solution

The fourth proportional to 20,848.38, 31,272.97 and 9,748.95 is: 14,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.38 : 31,272.97 = 9,748.95 : x
  2. Step 2: Convert to fraction form
    20,848.38/31,272.97 = 9,748.95/x
  3. Step 3: Cross multiply
    20,848.38x = 31,272.97 × 9,748.95
  4. Step 4: Simplify right side
    20,848.38x = 304,878,620.88
  5. Step 5: Solve for x
    x = 304,878,620.88/20,848.38
  6. Step 6: Final answer
    x = 14,623.61

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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.