Home / 19,988.75-27,586.91-11,605.25

Finding the Fourth Proportional to 19,988.75, 27,586.91 and 11,605.25

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Solution

The fourth proportional to 19,988.75, 27,586.91 and 11,605.25 is: 16,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.75 : 27,586.91 = 11,605.25 : x
  2. Step 2: Convert to fraction form
    19,988.75/27,586.91 = 11,605.25/x
  3. Step 3: Cross multiply
    19,988.75x = 27,586.91 × 11,605.25
  4. Step 4: Simplify right side
    19,988.75x = 320,152,929.25
  5. Step 5: Solve for x
    x = 320,152,929.25/19,988.75
  6. Step 6: Final answer
    x = 16,016.66

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