Home / 28,557.35-42,841.49-8,832.42

Finding the Fourth Proportional to 28,557.35, 42,841.49 and 8,832.42

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Solution

The fourth proportional to 28,557.35, 42,841.49 and 8,832.42 is: 13,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.35 : 42,841.49 = 8,832.42 : x
  2. Step 2: Convert to fraction form
    28,557.35/42,841.49 = 8,832.42/x
  3. Step 3: Cross multiply
    28,557.35x = 42,841.49 × 8,832.42
  4. Step 4: Simplify right side
    28,557.35x = 378,393,988.94
  5. Step 5: Solve for x
    x = 378,393,988.94/28,557.35
  6. Step 6: Final answer
    x = 13,250.32

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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.