Home / 28,638.05-42,973.82-11,996.67

Finding the Fourth Proportional to 28,638.05, 42,973.82 and 11,996.67

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Solution

The fourth proportional to 28,638.05, 42,973.82 and 11,996.67 is: 18,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.05 : 42,973.82 = 11,996.67 : x
  2. Step 2: Convert to fraction form
    28,638.05/42,973.82 = 11,996.67/x
  3. Step 3: Cross multiply
    28,638.05x = 42,973.82 × 11,996.67
  4. Step 4: Simplify right side
    28,638.05x = 515,542,677.20
  5. Step 5: Solve for x
    x = 515,542,677.20/28,638.05
  6. Step 6: Final answer
    x = 18,002.02

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