Home / 28,190.53-38,893.26-16,082.31

Finding the Fourth Proportional to 28,190.53, 38,893.26 and 16,082.31

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Solution

The fourth proportional to 28,190.53, 38,893.26 and 16,082.31 is: 22,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.53 : 38,893.26 = 16,082.31 : x
  2. Step 2: Convert to fraction form
    28,190.53/38,893.26 = 16,082.31/x
  3. Step 3: Cross multiply
    28,190.53x = 38,893.26 × 16,082.31
  4. Step 4: Simplify right side
    28,190.53x = 625,493,670.39
  5. Step 5: Solve for x
    x = 625,493,670.39/28,190.53
  6. Step 6: Final answer
    x = 22,188.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.