Home / 20,495.87-28,276.08-12,524.25

Finding the Fourth Proportional to 20,495.87, 28,276.08 and 12,524.25

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Solution

The fourth proportional to 20,495.87, 28,276.08 and 12,524.25 is: 17,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.87 : 28,276.08 = 12,524.25 : x
  2. Step 2: Convert to fraction form
    20,495.87/28,276.08 = 12,524.25/x
  3. Step 3: Cross multiply
    20,495.87x = 28,276.08 × 12,524.25
  4. Step 4: Simplify right side
    20,495.87x = 354,136,694.94
  5. Step 5: Solve for x
    x = 354,136,694.94/20,495.87
  6. Step 6: Final answer
    x = 17,278.44

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Similar ratio
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1.5x scale

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.