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Finding the Fourth Proportional to 35,385.68, 53,075.28 and 12,009.44

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Solution

The fourth proportional to 35,385.68, 53,075.28 and 12,009.44 is: 18,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.68 : 53,075.28 = 12,009.44 : x
  2. Step 2: Convert to fraction form
    35,385.68/53,075.28 = 12,009.44/x
  3. Step 3: Cross multiply
    35,385.68x = 53,075.28 × 12,009.44
  4. Step 4: Simplify right side
    35,385.68x = 637,404,390.64
  5. Step 5: Solve for x
    x = 637,404,390.64/35,385.68
  6. Step 6: Final answer
    x = 18,013.06

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