Home / 28,165.38-38,865.58-16,832.62

Finding the Fourth Proportional to 28,165.38, 38,865.58 and 16,832.62

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Solution

The fourth proportional to 28,165.38, 38,865.58 and 16,832.62 is: 23,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.38 : 38,865.58 = 16,832.62 : x
  2. Step 2: Convert to fraction form
    28,165.38/38,865.58 = 16,832.62/x
  3. Step 3: Cross multiply
    28,165.38x = 38,865.58 × 16,832.62
  4. Step 4: Simplify right side
    28,165.38x = 654,209,539.22
  5. Step 5: Solve for x
    x = 654,209,539.22/28,165.38
  6. Step 6: Final answer
    x = 23,227.44

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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.