Home / 29,172.80-43,730.40-14,369.60

Finding the Fourth Proportional to 29,172.80, 43,730.40 and 14,369.60

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Solution

The fourth proportional to 29,172.80, 43,730.40 and 14,369.60 is: 21,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.80 : 43,730.40 = 14,369.60 : x
  2. Step 2: Convert to fraction form
    29,172.80/43,730.40 = 14,369.60/x
  3. Step 3: Cross multiply
    29,172.80x = 43,730.40 × 14,369.60
  4. Step 4: Simplify right side
    29,172.80x = 628,388,355.84
  5. Step 5: Solve for x
    x = 628,388,355.84/29,172.80
  6. Step 6: Final answer
    x = 21,540.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.