Home / 18,632.77-27,949.35-5,485.39

Finding the Fourth Proportional to 18,632.77, 27,949.35 and 5,485.39

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Solution

The fourth proportional to 18,632.77, 27,949.35 and 5,485.39 is: 8,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.77 : 27,949.35 = 5,485.39 : x
  2. Step 2: Convert to fraction form
    18,632.77/27,949.35 = 5,485.39/x
  3. Step 3: Cross multiply
    18,632.77x = 27,949.35 × 5,485.39
  4. Step 4: Simplify right side
    18,632.77x = 153,313,035.69
  5. Step 5: Solve for x
    x = 153,313,035.69/18,632.77
  6. Step 6: Final answer
    x = 8,228.14

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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.