Home / 27,144.94-40,657.26-20,858.68

Finding the Fourth Proportional to 27,144.94, 40,657.26 and 20,858.68

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Solution

The fourth proportional to 27,144.94, 40,657.26 and 20,858.68 is: 31,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.94 : 40,657.26 = 20,858.68 : x
  2. Step 2: Convert to fraction form
    27,144.94/40,657.26 = 20,858.68/x
  3. Step 3: Cross multiply
    27,144.94x = 40,657.26 × 20,858.68
  4. Step 4: Simplify right side
    27,144.94x = 848,056,776.02
  5. Step 5: Solve for x
    x = 848,056,776.02/27,144.94
  6. Step 6: Final answer
    x = 31,241.80

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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.