Home / 26,893.44-40,331.84-8,172.72

Finding the Fourth Proportional to 26,893.44, 40,331.84 and 8,172.72

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Solution

The fourth proportional to 26,893.44, 40,331.84 and 8,172.72 is: 12,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.44 : 40,331.84 = 8,172.72 : x
  2. Step 2: Convert to fraction form
    26,893.44/40,331.84 = 8,172.72/x
  3. Step 3: Cross multiply
    26,893.44x = 40,331.84 × 8,172.72
  4. Step 4: Simplify right side
    26,893.44x = 329,620,835.40
  5. Step 5: Solve for x
    x = 329,620,835.40/26,893.44
  6. Step 6: Final answer
    x = 12,256.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.