Home / 20,236.48-27,909.84-16,993.80

Finding the Fourth Proportional to 20,236.48, 27,909.84 and 16,993.80

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Solution

The fourth proportional to 20,236.48, 27,909.84 and 16,993.80 is: 23,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.48 : 27,909.84 = 16,993.80 : x
  2. Step 2: Convert to fraction form
    20,236.48/27,909.84 = 16,993.80/x
  3. Step 3: Cross multiply
    20,236.48x = 27,909.84 × 16,993.80
  4. Step 4: Simplify right side
    20,236.48x = 474,294,238.99
  5. Step 5: Solve for x
    x = 474,294,238.99/20,236.48
  6. Step 6: Final answer
    x = 23,437.59

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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.