Home / 19,229.50-28,844.25-5,378.50

Finding the Fourth Proportional to 19,229.50, 28,844.25 and 5,378.50

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Solution

The fourth proportional to 19,229.50, 28,844.25 and 5,378.50 is: 8,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.50 : 28,844.25 = 5,378.50 : x
  2. Step 2: Convert to fraction form
    19,229.50/28,844.25 = 5,378.50/x
  3. Step 3: Cross multiply
    19,229.50x = 28,844.25 × 5,378.50
  4. Step 4: Simplify right side
    19,229.50x = 155,138,798.63
  5. Step 5: Solve for x
    x = 155,138,798.63/19,229.50
  6. Step 6: Final answer
    x = 8,067.75

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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.