Home / 17,039.70-25,559.55-14,121.30

Finding the Fourth Proportional to 17,039.70, 25,559.55 and 14,121.30

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Solution

The fourth proportional to 17,039.70, 25,559.55 and 14,121.30 is: 21,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.70 : 25,559.55 = 14,121.30 : x
  2. Step 2: Convert to fraction form
    17,039.70/25,559.55 = 14,121.30/x
  3. Step 3: Cross multiply
    17,039.70x = 25,559.55 × 14,121.30
  4. Step 4: Simplify right side
    17,039.70x = 360,934,073.42
  5. Step 5: Solve for x
    x = 360,934,073.42/17,039.70
  6. Step 6: Final answer
    x = 21,181.95

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1.5x scale

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.