Home / 20,237.48-27,911.22-16,994.80

Finding the Fourth Proportional to 20,237.48, 27,911.22 and 16,994.80

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Solution

The fourth proportional to 20,237.48, 27,911.22 and 16,994.80 is: 23,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.48 : 27,911.22 = 16,994.80 : x
  2. Step 2: Convert to fraction form
    20,237.48/27,911.22 = 16,994.80/x
  3. Step 3: Cross multiply
    20,237.48x = 27,911.22 × 16,994.80
  4. Step 4: Simplify right side
    20,237.48x = 474,345,601.66
  5. Step 5: Solve for x
    x = 474,345,601.66/20,237.48
  6. Step 6: Final answer
    x = 23,438.97

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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.