Home / 28,772.38-43,125.63-12,107.44

Finding the Fourth Proportional to 28,772.38, 43,125.63 and 12,107.44

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Solution

The fourth proportional to 28,772.38, 43,125.63 and 12,107.44 is: 18,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.38 : 43,125.63 = 12,107.44 : x
  2. Step 2: Convert to fraction form
    28,772.38/43,125.63 = 12,107.44/x
  3. Step 3: Cross multiply
    28,772.38x = 43,125.63 × 12,107.44
  4. Step 4: Simplify right side
    28,772.38x = 522,140,977.69
  5. Step 5: Solve for x
    x = 522,140,977.69/28,772.38
  6. Step 6: Final answer
    x = 18,147.30

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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.