Home / 26,505.84-39,758.94-7,786.20

Finding the Fourth Proportional to 26,505.84, 39,758.94 and 7,786.20

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Solution

The fourth proportional to 26,505.84, 39,758.94 and 7,786.20 is: 11,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.84 : 39,758.94 = 7,786.20 : x
  2. Step 2: Convert to fraction form
    26,505.84/39,758.94 = 7,786.20/x
  3. Step 3: Cross multiply
    26,505.84x = 39,758.94 × 7,786.20
  4. Step 4: Simplify right side
    26,505.84x = 309,571,058.63
  5. Step 5: Solve for x
    x = 309,571,058.63/26,505.84
  6. Step 6: Final answer
    x = 11,679.35

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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.