Home / 17,879.40-26,819.29-5,399.53

Finding the Fourth Proportional to 17,879.40, 26,819.29 and 5,399.53

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Solution

The fourth proportional to 17,879.40, 26,819.29 and 5,399.53 is: 8,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.40 : 26,819.29 = 5,399.53 : x
  2. Step 2: Convert to fraction form
    17,879.40/26,819.29 = 5,399.53/x
  3. Step 3: Cross multiply
    17,879.40x = 26,819.29 × 5,399.53
  4. Step 4: Simplify right side
    17,879.40x = 144,811,426.84
  5. Step 5: Solve for x
    x = 144,811,426.84/17,879.40
  6. Step 6: Final answer
    x = 8,099.35

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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.