Home / 28,754.73-43,135.65-11,236.86

Finding the Fourth Proportional to 28,754.73, 43,135.65 and 11,236.86

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Solution

The fourth proportional to 28,754.73, 43,135.65 and 11,236.86 is: 16,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.73 : 43,135.65 = 11,236.86 : x
  2. Step 2: Convert to fraction form
    28,754.73/43,135.65 = 11,236.86/x
  3. Step 3: Cross multiply
    28,754.73x = 43,135.65 × 11,236.86
  4. Step 4: Simplify right side
    28,754.73x = 484,709,260.06
  5. Step 5: Solve for x
    x = 484,709,260.06/28,754.73
  6. Step 6: Final answer
    x = 16,856.68

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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.