Home / 26,720.94-40,083.78-6,999.42

Finding the Fourth Proportional to 26,720.94, 40,083.78 and 6,999.42

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Solution

The fourth proportional to 26,720.94, 40,083.78 and 6,999.42 is: 10,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.94 : 40,083.78 = 6,999.42 : x
  2. Step 2: Convert to fraction form
    26,720.94/40,083.78 = 6,999.42/x
  3. Step 3: Cross multiply
    26,720.94x = 40,083.78 × 6,999.42
  4. Step 4: Simplify right side
    26,720.94x = 280,563,211.41
  5. Step 5: Solve for x
    x = 280,563,211.41/26,720.94
  6. Step 6: Final answer
    x = 10,499.75

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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.