Home / 21,811.93-32,727.62-11,421.25

Finding the Fourth Proportional to 21,811.93, 32,727.62 and 11,421.25

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Solution

The fourth proportional to 21,811.93, 32,727.62 and 11,421.25 is: 17,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.93 : 32,727.62 = 11,421.25 : x
  2. Step 2: Convert to fraction form
    21,811.93/32,727.62 = 11,421.25/x
  3. Step 3: Cross multiply
    21,811.93x = 32,727.62 × 11,421.25
  4. Step 4: Simplify right side
    21,811.93x = 373,790,272.82
  5. Step 5: Solve for x
    x = 373,790,272.82/21,811.93
  6. Step 6: Final answer
    x = 17,136.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.