Home / 20,626.57-28,465.32-11,673.91

Finding the Fourth Proportional to 20,626.57, 28,465.32 and 11,673.91

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Solution

The fourth proportional to 20,626.57, 28,465.32 and 11,673.91 is: 16,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.57 : 28,465.32 = 11,673.91 : x
  2. Step 2: Convert to fraction form
    20,626.57/28,465.32 = 11,673.91/x
  3. Step 3: Cross multiply
    20,626.57x = 28,465.32 × 11,673.91
  4. Step 4: Simplify right side
    20,626.57x = 332,301,583.80
  5. Step 5: Solve for x
    x = 332,301,583.80/20,626.57
  6. Step 6: Final answer
    x = 16,110.37

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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.