Home / 28,236.14-38,959.32-16,901.32

Finding the Fourth Proportional to 28,236.14, 38,959.32 and 16,901.32

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Solution

The fourth proportional to 28,236.14, 38,959.32 and 16,901.32 is: 23,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.14 : 38,959.32 = 16,901.32 : x
  2. Step 2: Convert to fraction form
    28,236.14/38,959.32 = 16,901.32/x
  3. Step 3: Cross multiply
    28,236.14x = 38,959.32 × 16,901.32
  4. Step 4: Simplify right side
    28,236.14x = 658,463,934.30
  5. Step 5: Solve for x
    x = 658,463,934.30/28,236.14
  6. Step 6: Final answer
    x = 23,319.90

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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.