Home / 28,896.44-43,337.10-8,115.08

Finding the Fourth Proportional to 28,896.44, 43,337.10 and 8,115.08

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Solution

The fourth proportional to 28,896.44, 43,337.10 and 8,115.08 is: 12,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.44 : 43,337.10 = 8,115.08 : x
  2. Step 2: Convert to fraction form
    28,896.44/43,337.10 = 8,115.08/x
  3. Step 3: Cross multiply
    28,896.44x = 43,337.10 × 8,115.08
  4. Step 4: Simplify right side
    28,896.44x = 351,684,033.47
  5. Step 5: Solve for x
    x = 351,684,033.47/28,896.44
  6. Step 6: Final answer
    x = 12,170.50

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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.