Home / 20,550.41-30,827.39-7,222.26

Finding the Fourth Proportional to 20,550.41, 30,827.39 and 7,222.26

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Solution

The fourth proportional to 20,550.41, 30,827.39 and 7,222.26 is: 10,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.41 : 30,827.39 = 7,222.26 : x
  2. Step 2: Convert to fraction form
    20,550.41/30,827.39 = 7,222.26/x
  3. Step 3: Cross multiply
    20,550.41x = 30,827.39 × 7,222.26
  4. Step 4: Simplify right side
    20,550.41x = 222,643,389.59
  5. Step 5: Solve for x
    x = 222,643,389.59/20,550.41
  6. Step 6: Final answer
    x = 10,834.01

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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.