Home / 28,889.06-43,338.17-12,249.23

Finding the Fourth Proportional to 28,889.06, 43,338.17 and 12,249.23

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Solution

The fourth proportional to 28,889.06, 43,338.17 and 12,249.23 is: 18,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.06 : 43,338.17 = 12,249.23 : x
  2. Step 2: Convert to fraction form
    28,889.06/43,338.17 = 12,249.23/x
  3. Step 3: Cross multiply
    28,889.06x = 43,338.17 × 12,249.23
  4. Step 4: Simplify right side
    28,889.06x = 530,859,026.04
  5. Step 5: Solve for x
    x = 530,859,026.04/28,889.06
  6. Step 6: Final answer
    x = 18,375.78

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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.