Home / 28,058.22-38,716.83-16,119.90

Finding the Fourth Proportional to 28,058.22, 38,716.83 and 16,119.90

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Solution

The fourth proportional to 28,058.22, 38,716.83 and 16,119.90 is: 22,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.22 : 38,716.83 = 16,119.90 : x
  2. Step 2: Convert to fraction form
    28,058.22/38,716.83 = 16,119.90/x
  3. Step 3: Cross multiply
    28,058.22x = 38,716.83 × 16,119.90
  4. Step 4: Simplify right side
    28,058.22x = 624,111,427.92
  5. Step 5: Solve for x
    x = 624,111,427.92/28,058.22
  6. Step 6: Final answer
    x = 22,243.44

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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.