Home / 28,781.46-43,074.66-17,695.20

Finding the Fourth Proportional to 28,781.46, 43,074.66 and 17,695.20

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Solution

The fourth proportional to 28,781.46, 43,074.66 and 17,695.20 is: 26,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.46 : 43,074.66 = 17,695.20 : x
  2. Step 2: Convert to fraction form
    28,781.46/43,074.66 = 17,695.20/x
  3. Step 3: Cross multiply
    28,781.46x = 43,074.66 × 17,695.20
  4. Step 4: Simplify right side
    28,781.46x = 762,214,723.63
  5. Step 5: Solve for x
    x = 762,214,723.63/28,781.46
  6. Step 6: Final answer
    x = 26,482.84

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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.