Home / 28,254.21-42,380.06-8,532.16

Finding the Fourth Proportional to 28,254.21, 42,380.06 and 8,532.16

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Solution

The fourth proportional to 28,254.21, 42,380.06 and 8,532.16 is: 12,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.21 : 42,380.06 = 8,532.16 : x
  2. Step 2: Convert to fraction form
    28,254.21/42,380.06 = 8,532.16/x
  3. Step 3: Cross multiply
    28,254.21x = 42,380.06 × 8,532.16
  4. Step 4: Simplify right side
    28,254.21x = 361,593,452.73
  5. Step 5: Solve for x
    x = 361,593,452.73/28,254.21
  6. Step 6: Final answer
    x = 12,797.86

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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.