Home / 28,826.51-43,221.14-11,298.11

Finding the Fourth Proportional to 28,826.51, 43,221.14 and 11,298.11

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Solution

The fourth proportional to 28,826.51, 43,221.14 and 11,298.11 is: 16,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.51 : 43,221.14 = 11,298.11 : x
  2. Step 2: Convert to fraction form
    28,826.51/43,221.14 = 11,298.11/x
  3. Step 3: Cross multiply
    28,826.51x = 43,221.14 × 11,298.11
  4. Step 4: Simplify right side
    28,826.51x = 488,317,245.61
  5. Step 5: Solve for x
    x = 488,317,245.61/28,826.51
  6. Step 6: Final answer
    x = 16,939.87

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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.