Home / 20,124.35-27,772.89-11,626.83

Finding the Fourth Proportional to 20,124.35, 27,772.89 and 11,626.83

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Solution

The fourth proportional to 20,124.35, 27,772.89 and 11,626.83 is: 16,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.35 : 27,772.89 = 11,626.83 : x
  2. Step 2: Convert to fraction form
    20,124.35/27,772.89 = 11,626.83/x
  3. Step 3: Cross multiply
    20,124.35x = 27,772.89 × 11,626.83
  4. Step 4: Simplify right side
    20,124.35x = 322,910,670.64
  5. Step 5: Solve for x
    x = 322,910,670.64/20,124.35
  6. Step 6: Final answer
    x = 16,045.77

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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.