Home / 28,057.19-38,713.77-16,121.03

Finding the Fourth Proportional to 28,057.19, 38,713.77 and 16,121.03

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Solution

The fourth proportional to 28,057.19, 38,713.77 and 16,121.03 is: 22,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.19 : 38,713.77 = 16,121.03 : x
  2. Step 2: Convert to fraction form
    28,057.19/38,713.77 = 16,121.03/x
  3. Step 3: Cross multiply
    28,057.19x = 38,713.77 × 16,121.03
  4. Step 4: Simplify right side
    28,057.19x = 624,105,944.37
  5. Step 5: Solve for x
    x = 624,105,944.37/28,057.19
  6. Step 6: Final answer
    x = 22,244.06

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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.