Home / 28,636.94-42,939.01-11,086.27

Finding the Fourth Proportional to 28,636.94, 42,939.01 and 11,086.27

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Solution

The fourth proportional to 28,636.94, 42,939.01 and 11,086.27 is: 16,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.94 : 42,939.01 = 11,086.27 : x
  2. Step 2: Convert to fraction form
    28,636.94/42,939.01 = 11,086.27/x
  3. Step 3: Cross multiply
    28,636.94x = 42,939.01 × 11,086.27
  4. Step 4: Simplify right side
    28,636.94x = 476,033,364.90
  5. Step 5: Solve for x
    x = 476,033,364.90/28,636.94
  6. Step 6: Final answer
    x = 16,623.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.