Home / 28,161.13-38,871.02-16,232.44

Finding the Fourth Proportional to 28,161.13, 38,871.02 and 16,232.44

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Solution

The fourth proportional to 28,161.13, 38,871.02 and 16,232.44 is: 22,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.13 : 38,871.02 = 16,232.44 : x
  2. Step 2: Convert to fraction form
    28,161.13/38,871.02 = 16,232.44/x
  3. Step 3: Cross multiply
    28,161.13x = 38,871.02 × 16,232.44
  4. Step 4: Simplify right side
    28,161.13x = 630,971,418.73
  5. Step 5: Solve for x
    x = 630,971,418.73/28,161.13
  6. Step 6: Final answer
    x = 22,405.76

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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.