Home / 23,140.16-31,932.16-13,578.76

Finding the Fourth Proportional to 23,140.16, 31,932.16 and 13,578.76

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Solution

The fourth proportional to 23,140.16, 31,932.16 and 13,578.76 is: 18,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.16 : 31,932.16 = 13,578.76 : x
  2. Step 2: Convert to fraction form
    23,140.16/31,932.16 = 13,578.76/x
  3. Step 3: Cross multiply
    23,140.16x = 31,932.16 × 13,578.76
  4. Step 4: Simplify right side
    23,140.16x = 433,599,136.92
  5. Step 5: Solve for x
    x = 433,599,136.92/23,140.16
  6. Step 6: Final answer
    x = 18,737.95

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