Home / 28,516.19-42,774.30-7,739.69

Finding the Fourth Proportional to 28,516.19, 42,774.30 and 7,739.69

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Solution

The fourth proportional to 28,516.19, 42,774.30 and 7,739.69 is: 11,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.19 : 42,774.30 = 7,739.69 : x
  2. Step 2: Convert to fraction form
    28,516.19/42,774.30 = 7,739.69/x
  3. Step 3: Cross multiply
    28,516.19x = 42,774.30 × 7,739.69
  4. Step 4: Simplify right side
    28,516.19x = 331,059,608.10
  5. Step 5: Solve for x
    x = 331,059,608.10/28,516.19
  6. Step 6: Final answer
    x = 11,609.53

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