Home / 26,172.70-39,262.69-8,399.19

Finding the Fourth Proportional to 26,172.70, 39,262.69 and 8,399.19

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Solution

The fourth proportional to 26,172.70, 39,262.69 and 8,399.19 is: 12,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.70 : 39,262.69 = 8,399.19 : x
  2. Step 2: Convert to fraction form
    26,172.70/39,262.69 = 8,399.19/x
  3. Step 3: Cross multiply
    26,172.70x = 39,262.69 × 8,399.19
  4. Step 4: Simplify right side
    26,172.70x = 329,774,950.96
  5. Step 5: Solve for x
    x = 329,774,950.96/26,172.70
  6. Step 6: Final answer
    x = 12,599.96

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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.