Home / 23,731.06-32,745.93-13,120.90

Finding the Fourth Proportional to 23,731.06, 32,745.93 and 13,120.90

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Solution

The fourth proportional to 23,731.06, 32,745.93 and 13,120.90 is: 18,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.06 : 32,745.93 = 13,120.90 : x
  2. Step 2: Convert to fraction form
    23,731.06/32,745.93 = 13,120.90/x
  3. Step 3: Cross multiply
    23,731.06x = 32,745.93 × 13,120.90
  4. Step 4: Simplify right side
    23,731.06x = 429,656,072.94
  5. Step 5: Solve for x
    x = 429,656,072.94/23,731.06
  6. Step 6: Final answer
    x = 18,105.22

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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.