Home / 26,486.77-39,731.84-7,766.45

Finding the Fourth Proportional to 26,486.77, 39,731.84 and 7,766.45

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Solution

The fourth proportional to 26,486.77, 39,731.84 and 7,766.45 is: 11,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.77 : 39,731.84 = 7,766.45 : x
  2. Step 2: Convert to fraction form
    26,486.77/39,731.84 = 7,766.45/x
  3. Step 3: Cross multiply
    26,486.77x = 39,731.84 × 7,766.45
  4. Step 4: Simplify right side
    26,486.77x = 308,575,438.39
  5. Step 5: Solve for x
    x = 308,575,438.39/26,486.77
  6. Step 6: Final answer
    x = 11,650.17

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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.