Home / 19,039.96-28,552.08-7,191.72

Finding the Fourth Proportional to 19,039.96, 28,552.08 and 7,191.72

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Solution

The fourth proportional to 19,039.96, 28,552.08 and 7,191.72 is: 10,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.96 : 28,552.08 = 7,191.72 : x
  2. Step 2: Convert to fraction form
    19,039.96/28,552.08 = 7,191.72/x
  3. Step 3: Cross multiply
    19,039.96x = 28,552.08 × 7,191.72
  4. Step 4: Simplify right side
    19,039.96x = 205,338,591.75
  5. Step 5: Solve for x
    x = 205,338,591.75/19,039.96
  6. Step 6: Final answer
    x = 10,784.61

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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.