Home / 28,826.64-43,246.44-20,859.48

Finding the Fourth Proportional to 28,826.64, 43,246.44 and 20,859.48

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Solution

The fourth proportional to 28,826.64, 43,246.44 and 20,859.48 is: 31,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.64 : 43,246.44 = 20,859.48 : x
  2. Step 2: Convert to fraction form
    28,826.64/43,246.44 = 20,859.48/x
  3. Step 3: Cross multiply
    28,826.64x = 43,246.44 × 20,859.48
  4. Step 4: Simplify right side
    28,826.64x = 902,098,250.25
  5. Step 5: Solve for x
    x = 902,098,250.25/28,826.64
  6. Step 6: Final answer
    x = 31,293.91

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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.