Home / 28,285.08-42,449.46-10,759.92

Finding the Fourth Proportional to 28,285.08, 42,449.46 and 10,759.92

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Solution

The fourth proportional to 28,285.08, 42,449.46 and 10,759.92 is: 16,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.08 : 42,449.46 = 10,759.92 : x
  2. Step 2: Convert to fraction form
    28,285.08/42,449.46 = 10,759.92/x
  3. Step 3: Cross multiply
    28,285.08x = 42,449.46 × 10,759.92
  4. Step 4: Simplify right side
    28,285.08x = 456,752,793.64
  5. Step 5: Solve for x
    x = 456,752,793.64/28,285.08
  6. Step 6: Final answer
    x = 16,148.19

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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.