Home / 20,626.29-28,467.05-12,243.33

Finding the Fourth Proportional to 20,626.29, 28,467.05 and 12,243.33

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Solution

The fourth proportional to 20,626.29, 28,467.05 and 12,243.33 is: 16,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.29 : 28,467.05 = 12,243.33 : x
  2. Step 2: Convert to fraction form
    20,626.29/28,467.05 = 12,243.33/x
  3. Step 3: Cross multiply
    20,626.29x = 28,467.05 × 12,243.33
  4. Step 4: Simplify right side
    20,626.29x = 348,531,426.06
  5. Step 5: Solve for x
    x = 348,531,426.06/20,626.29
  6. Step 6: Final answer
    x = 16,897.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.