Home / 25,084-34,603.62-21,103.60

Finding the Fourth Proportional to 25,084, 34,603.62 and 21,103.60

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Solution

The fourth proportional to 25,084, 34,603.62 and 21,103.60 is: 29,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084 : 34,603.62 = 21,103.60 : x
  2. Step 2: Convert to fraction form
    25,084/34,603.62 = 21,103.60/x
  3. Step 3: Cross multiply
    25,084x = 34,603.62 × 21,103.60
  4. Step 4: Simplify right side
    25,084x = 730,260,955.03
  5. Step 5: Solve for x
    x = 730,260,955.03/25,084
  6. Step 6: Final answer
    x = 29,112.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.