Home / 24,393.20-33,662.60-13,215.20

Finding the Fourth Proportional to 24,393.20, 33,662.60 and 13,215.20

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Solution

The fourth proportional to 24,393.20, 33,662.60 and 13,215.20 is: 18,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,393.20 : 33,662.60 = 13,215.20 : x
  2. Step 2: Convert to fraction form
    24,393.20/33,662.60 = 13,215.20/x
  3. Step 3: Cross multiply
    24,393.20x = 33,662.60 × 13,215.20
  4. Step 4: Simplify right side
    24,393.20x = 444,857,991.52
  5. Step 5: Solve for x
    x = 444,857,991.52/24,393.20
  6. Step 6: Final answer
    x = 18,236.97

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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.