Home / 27,157.08-40,741.96-8,436.12

Finding the Fourth Proportional to 27,157.08, 40,741.96 and 8,436.12

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Solution

The fourth proportional to 27,157.08, 40,741.96 and 8,436.12 is: 12,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.08 : 40,741.96 = 8,436.12 : x
  2. Step 2: Convert to fraction form
    27,157.08/40,741.96 = 8,436.12/x
  3. Step 3: Cross multiply
    27,157.08x = 40,741.96 × 8,436.12
  4. Step 4: Simplify right side
    27,157.08x = 343,704,063.60
  5. Step 5: Solve for x
    x = 343,704,063.60/27,157.08
  6. Step 6: Final answer
    x = 12,656.15

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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.