Home / 57,419.36-86,119.30-15,866.36

Finding the Fourth Proportional to 57,419.36, 86,119.30 and 15,866.36

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Solution

The fourth proportional to 57,419.36, 86,119.30 and 15,866.36 is: 23,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,419.36 : 86,119.30 = 15,866.36 : x
  2. Step 2: Convert to fraction form
    57,419.36/86,119.30 = 15,866.36/x
  3. Step 3: Cross multiply
    57,419.36x = 86,119.30 × 15,866.36
  4. Step 4: Simplify right side
    57,419.36x = 1,366,399,816.75
  5. Step 5: Solve for x
    x = 1,366,399,816.75/57,419.36
  6. Step 6: Final answer
    x = 23,796.85

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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.