Home / 26,271.66-39,401.40-8,736.78

Finding the Fourth Proportional to 26,271.66, 39,401.40 and 8,736.78

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Solution

The fourth proportional to 26,271.66, 39,401.40 and 8,736.78 is: 13,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.66 : 39,401.40 = 8,736.78 : x
  2. Step 2: Convert to fraction form
    26,271.66/39,401.40 = 8,736.78/x
  3. Step 3: Cross multiply
    26,271.66x = 39,401.40 × 8,736.78
  4. Step 4: Simplify right side
    26,271.66x = 344,241,363.49
  5. Step 5: Solve for x
    x = 344,241,363.49/26,271.66
  6. Step 6: Final answer
    x = 13,103.14

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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.