Home / 28,905.24-43,344.90-10,181.40

Finding the Fourth Proportional to 28,905.24, 43,344.90 and 10,181.40

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Solution

The fourth proportional to 28,905.24, 43,344.90 and 10,181.40 is: 15,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.24 : 43,344.90 = 10,181.40 : x
  2. Step 2: Convert to fraction form
    28,905.24/43,344.90 = 10,181.40/x
  3. Step 3: Cross multiply
    28,905.24x = 43,344.90 × 10,181.40
  4. Step 4: Simplify right side
    28,905.24x = 441,311,764.86
  5. Step 5: Solve for x
    x = 441,311,764.86/28,905.24
  6. Step 6: Final answer
    x = 15,267.54

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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.