Home / 28,794.56-43,188.08-11,276.80

Finding the Fourth Proportional to 28,794.56, 43,188.08 and 11,276.80

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Solution

The fourth proportional to 28,794.56, 43,188.08 and 11,276.80 is: 16,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.56 : 43,188.08 = 11,276.80 : x
  2. Step 2: Convert to fraction form
    28,794.56/43,188.08 = 11,276.80/x
  3. Step 3: Cross multiply
    28,794.56x = 43,188.08 × 11,276.80
  4. Step 4: Simplify right side
    28,794.56x = 487,023,340.54
  5. Step 5: Solve for x
    x = 487,023,340.54/28,794.56
  6. Step 6: Final answer
    x = 16,913.73

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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.