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Finding the Fourth Proportional to 25,795.68, 38,700.72 and 13,320.24

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Solution

The fourth proportional to 25,795.68, 38,700.72 and 13,320.24 is: 19,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.68 : 38,700.72 = 13,320.24 : x
  2. Step 2: Convert to fraction form
    25,795.68/38,700.72 = 13,320.24/x
  3. Step 3: Cross multiply
    25,795.68x = 38,700.72 × 13,320.24
  4. Step 4: Simplify right side
    25,795.68x = 515,502,878.57
  5. Step 5: Solve for x
    x = 515,502,878.57/25,795.68
  6. Step 6: Final answer
    x = 19,984.08

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