Home / 31,209.75-46,804.86-10,428.39

Finding the Fourth Proportional to 31,209.75, 46,804.86 and 10,428.39

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Solution

The fourth proportional to 31,209.75, 46,804.86 and 10,428.39 is: 15,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.75 : 46,804.86 = 10,428.39 : x
  2. Step 2: Convert to fraction form
    31,209.75/46,804.86 = 10,428.39/x
  3. Step 3: Cross multiply
    31,209.75x = 46,804.86 × 10,428.39
  4. Step 4: Simplify right side
    31,209.75x = 488,099,333.98
  5. Step 5: Solve for x
    x = 488,099,333.98/31,209.75
  6. Step 6: Final answer
    x = 15,639.32

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