Home / 24,375.89-33,638.30-13,620.98

Finding the Fourth Proportional to 24,375.89, 33,638.30 and 13,620.98

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Solution

The fourth proportional to 24,375.89, 33,638.30 and 13,620.98 is: 18,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,375.89 : 33,638.30 = 13,620.98 : x
  2. Step 2: Convert to fraction form
    24,375.89/33,638.30 = 13,620.98/x
  3. Step 3: Cross multiply
    24,375.89x = 33,638.30 × 13,620.98
  4. Step 4: Simplify right side
    24,375.89x = 458,186,729.68
  5. Step 5: Solve for x
    x = 458,186,729.68/24,375.89
  6. Step 6: Final answer
    x = 18,796.72

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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.