Home / 27,156.44-40,741.44-19,166.80

Finding the Fourth Proportional to 27,156.44, 40,741.44 and 19,166.80

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Solution

The fourth proportional to 27,156.44, 40,741.44 and 19,166.80 is: 28,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.44 : 40,741.44 = 19,166.80 : x
  2. Step 2: Convert to fraction form
    27,156.44/40,741.44 = 19,166.80/x
  3. Step 3: Cross multiply
    27,156.44x = 40,741.44 × 19,166.80
  4. Step 4: Simplify right side
    27,156.44x = 780,883,032.19
  5. Step 5: Solve for x
    x = 780,883,032.19/27,156.44
  6. Step 6: Final answer
    x = 28,754.99

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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.