Home / 28,977.60-43,469.64-9,249.24

Finding the Fourth Proportional to 28,977.60, 43,469.64 and 9,249.24

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Solution

The fourth proportional to 28,977.60, 43,469.64 and 9,249.24 is: 13,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.60 : 43,469.64 = 9,249.24 : x
  2. Step 2: Convert to fraction form
    28,977.60/43,469.64 = 9,249.24/x
  3. Step 3: Cross multiply
    28,977.60x = 43,469.64 × 9,249.24
  4. Step 4: Simplify right side
    28,977.60x = 402,061,133.07
  5. Step 5: Solve for x
    x = 402,061,133.07/28,977.60
  6. Step 6: Final answer
    x = 13,874.89

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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.