Home / 26,257.44-39,383.28-7,788

Finding the Fourth Proportional to 26,257.44, 39,383.28 and 7,788

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Solution

The fourth proportional to 26,257.44, 39,383.28 and 7,788 is: 11,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.44 : 39,383.28 = 7,788 : x
  2. Step 2: Convert to fraction form
    26,257.44/39,383.28 = 7,788/x
  3. Step 3: Cross multiply
    26,257.44x = 39,383.28 × 7,788
  4. Step 4: Simplify right side
    26,257.44x = 306,716,984.64
  5. Step 5: Solve for x
    x = 306,716,984.64/26,257.44
  6. Step 6: Final answer
    x = 11,681.15

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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.