Home / 28,856.32-43,303.92-11,324.08

Finding the Fourth Proportional to 28,856.32, 43,303.92 and 11,324.08

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Solution

The fourth proportional to 28,856.32, 43,303.92 and 11,324.08 is: 16,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.32 : 43,303.92 = 11,324.08 : x
  2. Step 2: Convert to fraction form
    28,856.32/43,303.92 = 11,324.08/x
  3. Step 3: Cross multiply
    28,856.32x = 43,303.92 × 11,324.08
  4. Step 4: Simplify right side
    28,856.32x = 490,377,054.39
  5. Step 5: Solve for x
    x = 490,377,054.39/28,856.32
  6. Step 6: Final answer
    x = 16,993.75

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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.