Home / 18,736.20-28,107.99-5,588.28

Finding the Fourth Proportional to 18,736.20, 28,107.99 and 5,588.28

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Solution

The fourth proportional to 18,736.20, 28,107.99 and 5,588.28 is: 8,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.20 : 28,107.99 = 5,588.28 : x
  2. Step 2: Convert to fraction form
    18,736.20/28,107.99 = 5,588.28/x
  3. Step 3: Cross multiply
    18,736.20x = 28,107.99 × 5,588.28
  4. Step 4: Simplify right side
    18,736.20x = 157,075,318.36
  5. Step 5: Solve for x
    x = 157,075,318.36/18,736.20
  6. Step 6: Final answer
    x = 8,383.52

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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.