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Finding the Fourth Proportional to 26,972.40, 40,458.60 and 15,308.40

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Solution

The fourth proportional to 26,972.40, 40,458.60 and 15,308.40 is: 22,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.40 : 40,458.60 = 15,308.40 : x
  2. Step 2: Convert to fraction form
    26,972.40/40,458.60 = 15,308.40/x
  3. Step 3: Cross multiply
    26,972.40x = 40,458.60 × 15,308.40
  4. Step 4: Simplify right side
    26,972.40x = 619,356,432.24
  5. Step 5: Solve for x
    x = 619,356,432.24/26,972.40
  6. Step 6: Final answer
    x = 22,962.60

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