Home / 20,624.77-28,462.20-11,193.33

Finding the Fourth Proportional to 20,624.77, 28,462.20 and 11,193.33

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Solution

The fourth proportional to 20,624.77, 28,462.20 and 11,193.33 is: 15,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.77 : 28,462.20 = 11,193.33 : x
  2. Step 2: Convert to fraction form
    20,624.77/28,462.20 = 11,193.33/x
  3. Step 3: Cross multiply
    20,624.77x = 28,462.20 × 11,193.33
  4. Step 4: Simplify right side
    20,624.77x = 318,586,808.52
  5. Step 5: Solve for x
    x = 318,586,808.52/20,624.77
  6. Step 6: Final answer
    x = 15,446.81

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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.