Home / 28,845.72-39,804.40-16,742.99

Finding the Fourth Proportional to 28,845.72, 39,804.40 and 16,742.99

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Solution

The fourth proportional to 28,845.72, 39,804.40 and 16,742.99 is: 23,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.72 : 39,804.40 = 16,742.99 : x
  2. Step 2: Convert to fraction form
    28,845.72/39,804.40 = 16,742.99/x
  3. Step 3: Cross multiply
    28,845.72x = 39,804.40 × 16,742.99
  4. Step 4: Simplify right side
    28,845.72x = 666,444,659.10
  5. Step 5: Solve for x
    x = 666,444,659.10/28,845.72
  6. Step 6: Final answer
    x = 23,103.76

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