Home / 28,739.08-43,107.42-7,962.04

Finding the Fourth Proportional to 28,739.08, 43,107.42 and 7,962.04

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Solution

The fourth proportional to 28,739.08, 43,107.42 and 7,962.04 is: 11,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.08 : 43,107.42 = 7,962.04 : x
  2. Step 2: Convert to fraction form
    28,739.08/43,107.42 = 7,962.04/x
  3. Step 3: Cross multiply
    28,739.08x = 43,107.42 × 7,962.04
  4. Step 4: Simplify right side
    28,739.08x = 343,223,002.34
  5. Step 5: Solve for x
    x = 343,223,002.34/28,739.08
  6. Step 6: Final answer
    x = 11,942.73

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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.