Home / 28,552.30-42,832.56-8,832.38

Finding the Fourth Proportional to 28,552.30, 42,832.56 and 8,832.38

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Solution

The fourth proportional to 28,552.30, 42,832.56 and 8,832.38 is: 13,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.30 : 42,832.56 = 8,832.38 : x
  2. Step 2: Convert to fraction form
    28,552.30/42,832.56 = 8,832.38/x
  3. Step 3: Cross multiply
    28,552.30x = 42,832.56 × 8,832.38
  4. Step 4: Simplify right side
    28,552.30x = 378,313,402.13
  5. Step 5: Solve for x
    x = 378,313,402.13/28,552.30
  6. Step 6: Final answer
    x = 13,249.84

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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.