Home / 28,936.44-43,419.24-13,365

Finding the Fourth Proportional to 28,936.44, 43,419.24 and 13,365

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Solution

The fourth proportional to 28,936.44, 43,419.24 and 13,365 is: 20,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.44 : 43,419.24 = 13,365 : x
  2. Step 2: Convert to fraction form
    28,936.44/43,419.24 = 13,365/x
  3. Step 3: Cross multiply
    28,936.44x = 43,419.24 × 13,365
  4. Step 4: Simplify right side
    28,936.44x = 580,298,142.60
  5. Step 5: Solve for x
    x = 580,298,142.60/28,936.44
  6. Step 6: Final answer
    x = 20,054.23

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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.