Home / 26,837.78-40,235.48-16,956.20

Finding the Fourth Proportional to 26,837.78, 40,235.48 and 16,956.20

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Solution

The fourth proportional to 26,837.78, 40,235.48 and 16,956.20 is: 25,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.78 : 40,235.48 = 16,956.20 : x
  2. Step 2: Convert to fraction form
    26,837.78/40,235.48 = 16,956.20/x
  3. Step 3: Cross multiply
    26,837.78x = 40,235.48 × 16,956.20
  4. Step 4: Simplify right side
    26,837.78x = 682,240,845.98
  5. Step 5: Solve for x
    x = 682,240,845.98/26,837.78
  6. Step 6: Final answer
    x = 25,420.91

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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.