Home / 28,961.44-43,515.04-18,436.24

Finding the Fourth Proportional to 28,961.44, 43,515.04 and 18,436.24

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Solution

The fourth proportional to 28,961.44, 43,515.04 and 18,436.24 is: 27,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.44 : 43,515.04 = 18,436.24 : x
  2. Step 2: Convert to fraction form
    28,961.44/43,515.04 = 18,436.24/x
  3. Step 3: Cross multiply
    28,961.44x = 43,515.04 × 18,436.24
  4. Step 4: Simplify right side
    28,961.44x = 802,253,721.05
  5. Step 5: Solve for x
    x = 802,253,721.05/28,961.44
  6. Step 6: Final answer
    x = 27,700.75

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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.