Home / 19,081.53-28,626.87-7,982.07

Finding the Fourth Proportional to 19,081.53, 28,626.87 and 7,982.07

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Solution

The fourth proportional to 19,081.53, 28,626.87 and 7,982.07 is: 11,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.53 : 28,626.87 = 7,982.07 : x
  2. Step 2: Convert to fraction form
    19,081.53/28,626.87 = 7,982.07/x
  3. Step 3: Cross multiply
    19,081.53x = 28,626.87 × 7,982.07
  4. Step 4: Simplify right side
    19,081.53x = 228,501,680.22
  5. Step 5: Solve for x
    x = 228,501,680.22/19,081.53
  6. Step 6: Final answer
    x = 11,975.02

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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.