Home / 24,399.42-33,671.34-13,221.42

Finding the Fourth Proportional to 24,399.42, 33,671.34 and 13,221.42

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Solution

The fourth proportional to 24,399.42, 33,671.34 and 13,221.42 is: 18,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.42 : 33,671.34 = 13,221.42 : x
  2. Step 2: Convert to fraction form
    24,399.42/33,671.34 = 13,221.42/x
  3. Step 3: Cross multiply
    24,399.42x = 33,671.34 × 13,221.42
  4. Step 4: Simplify right side
    24,399.42x = 445,182,928.10
  5. Step 5: Solve for x
    x = 445,182,928.10/24,399.42
  6. Step 6: Final answer
    x = 18,245.64

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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.