Home / 28,069.60-42,103.46-8,348.28

Finding the Fourth Proportional to 28,069.60, 42,103.46 and 8,348.28

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Solution

The fourth proportional to 28,069.60, 42,103.46 and 8,348.28 is: 12,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.60 : 42,103.46 = 8,348.28 : x
  2. Step 2: Convert to fraction form
    28,069.60/42,103.46 = 8,348.28/x
  3. Step 3: Cross multiply
    28,069.60x = 42,103.46 × 8,348.28
  4. Step 4: Simplify right side
    28,069.60x = 351,491,473.05
  5. Step 5: Solve for x
    x = 351,491,473.05/28,069.60
  6. Step 6: Final answer
    x = 12,522.14

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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.