Home / 21,640.14-32,454.64-8,492.62

Finding the Fourth Proportional to 21,640.14, 32,454.64 and 8,492.62

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Solution

The fourth proportional to 21,640.14, 32,454.64 and 8,492.62 is: 12,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.14 : 32,454.64 = 8,492.62 : x
  2. Step 2: Convert to fraction form
    21,640.14/32,454.64 = 8,492.62/x
  3. Step 3: Cross multiply
    21,640.14x = 32,454.64 × 8,492.62
  4. Step 4: Simplify right side
    21,640.14x = 275,624,924.76
  5. Step 5: Solve for x
    x = 275,624,924.76/21,640.14
  6. Step 6: Final answer
    x = 12,736.74

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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.