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Finding the Fourth Proportional to 26,250.75, 39,376.13 and 7,782.75

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Solution

The fourth proportional to 26,250.75, 39,376.13 and 7,782.75 is: 11,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,250.75 : 39,376.13 = 7,782.75 : x
  2. Step 2: Convert to fraction form
    26,250.75/39,376.13 = 7,782.75/x
  3. Step 3: Cross multiply
    26,250.75x = 39,376.13 × 7,782.75
  4. Step 4: Simplify right side
    26,250.75x = 306,454,536.84
  5. Step 5: Solve for x
    x = 306,454,536.84/26,250.75
  6. Step 6: Final answer
    x = 11,674.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.