Home / 26,128.68-39,197.34-12,981.48

Finding the Fourth Proportional to 26,128.68, 39,197.34 and 12,981.48

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Solution

The fourth proportional to 26,128.68, 39,197.34 and 12,981.48 is: 19,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.68 : 39,197.34 = 12,981.48 : x
  2. Step 2: Convert to fraction form
    26,128.68/39,197.34 = 12,981.48/x
  3. Step 3: Cross multiply
    26,128.68x = 39,197.34 × 12,981.48
  4. Step 4: Simplify right side
    26,128.68x = 508,839,485.26
  5. Step 5: Solve for x
    x = 508,839,485.26/26,128.68
  6. Step 6: Final answer
    x = 19,474.37

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