Home / 17,276.68-25,927.98-12,278.44

Finding the Fourth Proportional to 17,276.68, 25,927.98 and 12,278.44

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Solution

The fourth proportional to 17,276.68, 25,927.98 and 12,278.44 is: 18,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.68 : 25,927.98 = 12,278.44 : x
  2. Step 2: Convert to fraction form
    17,276.68/25,927.98 = 12,278.44/x
  3. Step 3: Cross multiply
    17,276.68x = 25,927.98 × 12,278.44
  4. Step 4: Simplify right side
    17,276.68x = 318,355,146.75
  5. Step 5: Solve for x
    x = 318,355,146.75/17,276.68
  6. Step 6: Final answer
    x = 18,426.87

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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.