Home / 28,165.19-38,865.30-16,832.43

Finding the Fourth Proportional to 28,165.19, 38,865.30 and 16,832.43

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Solution

The fourth proportional to 28,165.19, 38,865.30 and 16,832.43 is: 23,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.19 : 38,865.30 = 16,832.43 : x
  2. Step 2: Convert to fraction form
    28,165.19/38,865.30 = 16,832.43/x
  3. Step 3: Cross multiply
    28,165.19x = 38,865.30 × 16,832.43
  4. Step 4: Simplify right side
    28,165.19x = 654,197,441.68
  5. Step 5: Solve for x
    x = 654,197,441.68/28,165.19
  6. Step 6: Final answer
    x = 23,227.17

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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.