Home / 28,943.21-43,414.83-19,080.20

Finding the Fourth Proportional to 28,943.21, 43,414.83 and 19,080.20

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Solution

The fourth proportional to 28,943.21, 43,414.83 and 19,080.20 is: 28,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.21 : 43,414.83 = 19,080.20 : x
  2. Step 2: Convert to fraction form
    28,943.21/43,414.83 = 19,080.20/x
  3. Step 3: Cross multiply
    28,943.21x = 43,414.83 × 19,080.20
  4. Step 4: Simplify right side
    28,943.21x = 828,363,747.90
  5. Step 5: Solve for x
    x = 828,363,747.90/28,943.21
  6. Step 6: Final answer
    x = 28,620.31

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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.