Home / 26,087.49-39,136.89-8,556.66

Finding the Fourth Proportional to 26,087.49, 39,136.89 and 8,556.66

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Solution

The fourth proportional to 26,087.49, 39,136.89 and 8,556.66 is: 12,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.49 : 39,136.89 = 8,556.66 : x
  2. Step 2: Convert to fraction form
    26,087.49/39,136.89 = 8,556.66/x
  3. Step 3: Cross multiply
    26,087.49x = 39,136.89 × 8,556.66
  4. Step 4: Simplify right side
    26,087.49x = 334,881,061.19
  5. Step 5: Solve for x
    x = 334,881,061.19/26,087.49
  6. Step 6: Final answer
    x = 12,836.84

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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.