Home / 23,918.48-32,997.96-15,419.60

Finding the Fourth Proportional to 23,918.48, 32,997.96 and 15,419.60

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Solution

The fourth proportional to 23,918.48, 32,997.96 and 15,419.60 is: 21,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.48 : 32,997.96 = 15,419.60 : x
  2. Step 2: Convert to fraction form
    23,918.48/32,997.96 = 15,419.60/x
  3. Step 3: Cross multiply
    23,918.48x = 32,997.96 × 15,419.60
  4. Step 4: Simplify right side
    23,918.48x = 508,815,344.02
  5. Step 5: Solve for x
    x = 508,815,344.02/23,918.48
  6. Step 6: Final answer
    x = 21,272.90

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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.