Home / 26,888.85-40,333.25-8,168.81

Finding the Fourth Proportional to 26,888.85, 40,333.25 and 8,168.81

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Solution

The fourth proportional to 26,888.85, 40,333.25 and 8,168.81 is: 12,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.85 : 40,333.25 = 8,168.81 : x
  2. Step 2: Convert to fraction form
    26,888.85/40,333.25 = 8,168.81/x
  3. Step 3: Cross multiply
    26,888.85x = 40,333.25 × 8,168.81
  4. Step 4: Simplify right side
    26,888.85x = 329,474,655.93
  5. Step 5: Solve for x
    x = 329,474,655.93/26,888.85
  6. Step 6: Final answer
    x = 12,253.21

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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.