Home / 28,052.21-38,713.19-16,119.29

Finding the Fourth Proportional to 28,052.21, 38,713.19 and 16,119.29

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Solution

The fourth proportional to 28,052.21, 38,713.19 and 16,119.29 is: 22,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.21 : 38,713.19 = 16,119.29 : x
  2. Step 2: Convert to fraction form
    28,052.21/38,713.19 = 16,119.29/x
  3. Step 3: Cross multiply
    28,052.21x = 38,713.19 × 16,119.29
  4. Step 4: Simplify right side
    28,052.21x = 624,028,862.27
  5. Step 5: Solve for x
    x = 624,028,862.27/28,052.21
  6. Step 6: Final answer
    x = 22,245.27

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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.