Home / 28,163.42-38,875.22-16,231.52

Finding the Fourth Proportional to 28,163.42, 38,875.22 and 16,231.52

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Solution

The fourth proportional to 28,163.42, 38,875.22 and 16,231.52 is: 22,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.42 : 38,875.22 = 16,231.52 : x
  2. Step 2: Convert to fraction form
    28,163.42/38,875.22 = 16,231.52/x
  3. Step 3: Cross multiply
    28,163.42x = 38,875.22 × 16,231.52
  4. Step 4: Simplify right side
    28,163.42x = 631,003,910.93
  5. Step 5: Solve for x
    x = 631,003,910.93/28,163.42
  6. Step 6: Final answer
    x = 22,405.09

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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.