Home / 19,144.44-28,727.52-10,385.40

Finding the Fourth Proportional to 19,144.44, 28,727.52 and 10,385.40

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Solution

The fourth proportional to 19,144.44, 28,727.52 and 10,385.40 is: 15,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.44 : 28,727.52 = 10,385.40 : x
  2. Step 2: Convert to fraction form
    19,144.44/28,727.52 = 10,385.40/x
  3. Step 3: Cross multiply
    19,144.44x = 28,727.52 × 10,385.40
  4. Step 4: Simplify right side
    19,144.44x = 298,346,786.21
  5. Step 5: Solve for x
    x = 298,346,786.21/19,144.44
  6. Step 6: Final answer
    x = 15,583.99

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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.