Home / 19,039.92-28,571.73-9,180.21

Finding the Fourth Proportional to 19,039.92, 28,571.73 and 9,180.21

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Solution

The fourth proportional to 19,039.92, 28,571.73 and 9,180.21 is: 13,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.92 : 28,571.73 = 9,180.21 : x
  2. Step 2: Convert to fraction form
    19,039.92/28,571.73 = 9,180.21/x
  3. Step 3: Cross multiply
    19,039.92x = 28,571.73 × 9,180.21
  4. Step 4: Simplify right side
    19,039.92x = 262,294,481.46
  5. Step 5: Solve for x
    x = 262,294,481.46/19,039.92
  6. Step 6: Final answer
    x = 13,776.03

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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.