Home / 26,381.84-39,572.68-6,661.96

Finding the Fourth Proportional to 26,381.84, 39,572.68 and 6,661.96

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Solution

The fourth proportional to 26,381.84, 39,572.68 and 6,661.96 is: 9,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.84 : 39,572.68 = 6,661.96 : x
  2. Step 2: Convert to fraction form
    26,381.84/39,572.68 = 6,661.96/x
  3. Step 3: Cross multiply
    26,381.84x = 39,572.68 × 6,661.96
  4. Step 4: Simplify right side
    26,381.84x = 263,631,611.25
  5. Step 5: Solve for x
    x = 263,631,611.25/26,381.84
  6. Step 6: Final answer
    x = 9,992.92

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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.