Home / 20,596.28-28,424.63-11,645.37

Finding the Fourth Proportional to 20,596.28, 28,424.63 and 11,645.37

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Solution

The fourth proportional to 20,596.28, 28,424.63 and 11,645.37 is: 16,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.28 : 28,424.63 = 11,645.37 : x
  2. Step 2: Convert to fraction form
    20,596.28/28,424.63 = 11,645.37/x
  3. Step 3: Cross multiply
    20,596.28x = 28,424.63 × 11,645.37
  4. Step 4: Simplify right side
    20,596.28x = 331,015,362.58
  5. Step 5: Solve for x
    x = 331,015,362.58/20,596.28
  6. Step 6: Final answer
    x = 16,071.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.