Home / 19,080.66-28,571.73-13,175.76

Finding the Fourth Proportional to 19,080.66, 28,571.73 and 13,175.76

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Solution

The fourth proportional to 19,080.66, 28,571.73 and 13,175.76 is: 19,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.66 : 28,571.73 = 13,175.76 : x
  2. Step 2: Convert to fraction form
    19,080.66/28,571.73 = 13,175.76/x
  3. Step 3: Cross multiply
    19,080.66x = 28,571.73 × 13,175.76
  4. Step 4: Simplify right side
    19,080.66x = 376,454,257.26
  5. Step 5: Solve for x
    x = 376,454,257.26/19,080.66
  6. Step 6: Final answer
    x = 19,729.62

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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.