Home / 19,287.28-28,891.32-13,349.44

Finding the Fourth Proportional to 19,287.28, 28,891.32 and 13,349.44

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Solution

The fourth proportional to 19,287.28, 28,891.32 and 13,349.44 is: 19,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.28 : 28,891.32 = 13,349.44 : x
  2. Step 2: Convert to fraction form
    19,287.28/28,891.32 = 13,349.44/x
  3. Step 3: Cross multiply
    19,287.28x = 28,891.32 × 13,349.44
  4. Step 4: Simplify right side
    19,287.28x = 385,682,942.86
  5. Step 5: Solve for x
    x = 385,682,942.86/19,287.28
  6. Step 6: Final answer
    x = 19,996.75

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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.