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Finding the Fourth Proportional to 48,280.40, 72,427.80 and 17,113.20

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Solution

The fourth proportional to 48,280.40, 72,427.80 and 17,113.20 is: 25,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.40 : 72,427.80 = 17,113.20 : x
  2. Step 2: Convert to fraction form
    48,280.40/72,427.80 = 17,113.20/x
  3. Step 3: Cross multiply
    48,280.40x = 72,427.80 × 17,113.20
  4. Step 4: Simplify right side
    48,280.40x = 1,239,471,426.96
  5. Step 5: Solve for x
    x = 1,239,471,426.96/48,280.40
  6. Step 6: Final answer
    x = 25,672.35

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