Home / 24,003.72-33,121.84-13,391.30

Finding the Fourth Proportional to 24,003.72, 33,121.84 and 13,391.30

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Solution

The fourth proportional to 24,003.72, 33,121.84 and 13,391.30 is: 18,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,003.72 : 33,121.84 = 13,391.30 : x
  2. Step 2: Convert to fraction form
    24,003.72/33,121.84 = 13,391.30/x
  3. Step 3: Cross multiply
    24,003.72x = 33,121.84 × 13,391.30
  4. Step 4: Simplify right side
    24,003.72x = 443,544,495.99
  5. Step 5: Solve for x
    x = 443,544,495.99/24,003.72
  6. Step 6: Final answer
    x = 18,478.16

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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.