Home / 28,205.02-38,912.62-16,874.84

Finding the Fourth Proportional to 28,205.02, 38,912.62 and 16,874.84

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Solution

The fourth proportional to 28,205.02, 38,912.62 and 16,874.84 is: 23,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.02 : 38,912.62 = 16,874.84 : x
  2. Step 2: Convert to fraction form
    28,205.02/38,912.62 = 16,874.84/x
  3. Step 3: Cross multiply
    28,205.02x = 38,912.62 × 16,874.84
  4. Step 4: Simplify right side
    28,205.02x = 656,644,236.48
  5. Step 5: Solve for x
    x = 656,644,236.48/28,205.02
  6. Step 6: Final answer
    x = 23,281.11

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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.