Home / 18,234.40-27,319.20-14,929.60

Finding the Fourth Proportional to 18,234.40, 27,319.20 and 14,929.60

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Solution

The fourth proportional to 18,234.40, 27,319.20 and 14,929.60 is: 22,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.40 : 27,319.20 = 14,929.60 : x
  2. Step 2: Convert to fraction form
    18,234.40/27,319.20 = 14,929.60/x
  3. Step 3: Cross multiply
    18,234.40x = 27,319.20 × 14,929.60
  4. Step 4: Simplify right side
    18,234.40x = 407,864,728.32
  5. Step 5: Solve for x
    x = 407,864,728.32/18,234.40
  6. Step 6: Final answer
    x = 22,367.87

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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.