Home / 28,362.38-42,550.61-11,727.20

Finding the Fourth Proportional to 28,362.38, 42,550.61 and 11,727.20

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Solution

The fourth proportional to 28,362.38, 42,550.61 and 11,727.20 is: 17,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.38 : 42,550.61 = 11,727.20 : x
  2. Step 2: Convert to fraction form
    28,362.38/42,550.61 = 11,727.20/x
  3. Step 3: Cross multiply
    28,362.38x = 42,550.61 × 11,727.20
  4. Step 4: Simplify right side
    28,362.38x = 498,999,561.33
  5. Step 5: Solve for x
    x = 498,999,561.33/28,362.38
  6. Step 6: Final answer
    x = 17,593.72

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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.