Home / 28,861.25-43,247.23-19,464.44

Finding the Fourth Proportional to 28,861.25, 43,247.23 and 19,464.44

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Solution

The fourth proportional to 28,861.25, 43,247.23 and 19,464.44 is: 29,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.25 : 43,247.23 = 19,464.44 : x
  2. Step 2: Convert to fraction form
    28,861.25/43,247.23 = 19,464.44/x
  3. Step 3: Cross multiply
    28,861.25x = 43,247.23 × 19,464.44
  4. Step 4: Simplify right side
    28,861.25x = 841,783,172.96
  5. Step 5: Solve for x
    x = 841,783,172.96/28,861.25
  6. Step 6: Final answer
    x = 29,166.55

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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.