Home / 28,799.21-43,198.84-9,079.31

Finding the Fourth Proportional to 28,799.21, 43,198.84 and 9,079.31

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Solution

The fourth proportional to 28,799.21, 43,198.84 and 9,079.31 is: 13,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.21 : 43,198.84 = 9,079.31 : x
  2. Step 2: Convert to fraction form
    28,799.21/43,198.84 = 9,079.31/x
  3. Step 3: Cross multiply
    28,799.21x = 43,198.84 × 9,079.31
  4. Step 4: Simplify right side
    28,799.21x = 392,215,485.28
  5. Step 5: Solve for x
    x = 392,215,485.28/28,799.21
  6. Step 6: Final answer
    x = 13,618.97

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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.