Home / 27,147.44-40,719.23-8,427.03

Finding the Fourth Proportional to 27,147.44, 40,719.23 and 8,427.03

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Solution

The fourth proportional to 27,147.44, 40,719.23 and 8,427.03 is: 12,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.44 : 40,719.23 = 8,427.03 : x
  2. Step 2: Convert to fraction form
    27,147.44/40,719.23 = 8,427.03/x
  3. Step 3: Cross multiply
    27,147.44x = 40,719.23 × 8,427.03
  4. Step 4: Simplify right side
    27,147.44x = 343,142,172.79
  5. Step 5: Solve for x
    x = 343,142,172.79/27,147.44
  6. Step 6: Final answer
    x = 12,639.95

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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.