Home / 20,306.63-27,971.08-14,327.81

Finding the Fourth Proportional to 20,306.63, 27,971.08 and 14,327.81

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Solution

The fourth proportional to 20,306.63, 27,971.08 and 14,327.81 is: 19,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.63 : 27,971.08 = 14,327.81 : x
  2. Step 2: Convert to fraction form
    20,306.63/27,971.08 = 14,327.81/x
  3. Step 3: Cross multiply
    20,306.63x = 27,971.08 × 14,327.81
  4. Step 4: Simplify right side
    20,306.63x = 400,764,319.73
  5. Step 5: Solve for x
    x = 400,764,319.73/20,306.63
  6. Step 6: Final answer
    x = 19,735.64

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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.