Home / 28,798.72-43,183.36-18,125.44

Finding the Fourth Proportional to 28,798.72, 43,183.36 and 18,125.44

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Solution

The fourth proportional to 28,798.72, 43,183.36 and 18,125.44 is: 27,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.72 : 43,183.36 = 18,125.44 : x
  2. Step 2: Convert to fraction form
    28,798.72/43,183.36 = 18,125.44/x
  3. Step 3: Cross multiply
    28,798.72x = 43,183.36 × 18,125.44
  4. Step 4: Simplify right side
    28,798.72x = 782,717,400.68
  5. Step 5: Solve for x
    x = 782,717,400.68/28,798.72
  6. Step 6: Final answer
    x = 27,178.90

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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.