Home / 28,917.54-43,345.26-12,263.49

Finding the Fourth Proportional to 28,917.54, 43,345.26 and 12,263.49

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Solution

The fourth proportional to 28,917.54, 43,345.26 and 12,263.49 is: 18,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.54 : 43,345.26 = 12,263.49 : x
  2. Step 2: Convert to fraction form
    28,917.54/43,345.26 = 12,263.49/x
  3. Step 3: Cross multiply
    28,917.54x = 43,345.26 × 12,263.49
  4. Step 4: Simplify right side
    28,917.54x = 531,564,162.56
  5. Step 5: Solve for x
    x = 531,564,162.56/28,917.54
  6. Step 6: Final answer
    x = 18,382.07

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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.