Home / 27,144.44-40,656.51-20,858.18

Finding the Fourth Proportional to 27,144.44, 40,656.51 and 20,858.18

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Solution

The fourth proportional to 27,144.44, 40,656.51 and 20,858.18 is: 31,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.44 : 40,656.51 = 20,858.18 : x
  2. Step 2: Convert to fraction form
    27,144.44/40,656.51 = 20,858.18/x
  3. Step 3: Cross multiply
    27,144.44x = 40,656.51 × 20,858.18
  4. Step 4: Simplify right side
    27,144.44x = 848,020,803.75
  5. Step 5: Solve for x
    x = 848,020,803.75/27,144.44
  6. Step 6: Final answer
    x = 31,241.05

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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.