Home / 28,213.38-38,932.97-16,276.01

Finding the Fourth Proportional to 28,213.38, 38,932.97 and 16,276.01

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Solution

The fourth proportional to 28,213.38, 38,932.97 and 16,276.01 is: 22,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.38 : 38,932.97 = 16,276.01 : x
  2. Step 2: Convert to fraction form
    28,213.38/38,932.97 = 16,276.01/x
  3. Step 3: Cross multiply
    28,213.38x = 38,932.97 × 16,276.01
  4. Step 4: Simplify right side
    28,213.38x = 633,673,133.00
  5. Step 5: Solve for x
    x = 633,673,133.00/28,213.38
  6. Step 6: Final answer
    x = 22,460.02

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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.