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Finding the Fourth Proportional to 25,307.94, 34,929.54 and 15,099.64

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Solution

The fourth proportional to 25,307.94, 34,929.54 and 15,099.64 is: 20,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.94 : 34,929.54 = 15,099.64 : x
  2. Step 2: Convert to fraction form
    25,307.94/34,929.54 = 15,099.64/x
  3. Step 3: Cross multiply
    25,307.94x = 34,929.54 × 15,099.64
  4. Step 4: Simplify right side
    25,307.94x = 527,423,479.37
  5. Step 5: Solve for x
    x = 527,423,479.37/25,307.94
  6. Step 6: Final answer
    x = 20,840.24

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