Home / 23,829.20-32,883.78-13,218.60

Finding the Fourth Proportional to 23,829.20, 32,883.78 and 13,218.60

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Solution

The fourth proportional to 23,829.20, 32,883.78 and 13,218.60 is: 18,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,829.20 : 32,883.78 = 13,218.60 : x
  2. Step 2: Convert to fraction form
    23,829.20/32,883.78 = 13,218.60/x
  3. Step 3: Cross multiply
    23,829.20x = 32,883.78 × 13,218.60
  4. Step 4: Simplify right side
    23,829.20x = 434,677,534.31
  5. Step 5: Solve for x
    x = 434,677,534.31/23,829.20
  6. Step 6: Final answer
    x = 18,241.38

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1.5x scale

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.