Home / 23,985.94-33,100.19-13,231.86

Finding the Fourth Proportional to 23,985.94, 33,100.19 and 13,231.86

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Solution

The fourth proportional to 23,985.94, 33,100.19 and 13,231.86 is: 18,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.94 : 33,100.19 = 13,231.86 : x
  2. Step 2: Convert to fraction form
    23,985.94/33,100.19 = 13,231.86/x
  3. Step 3: Cross multiply
    23,985.94x = 33,100.19 × 13,231.86
  4. Step 4: Simplify right side
    23,985.94x = 437,977,080.05
  5. Step 5: Solve for x
    x = 437,977,080.05/23,985.94
  6. Step 6: Final answer
    x = 18,259.74

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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.