Home / 26,513.69-39,770.42-6,792.21

Finding the Fourth Proportional to 26,513.69, 39,770.42 and 6,792.21

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Solution

The fourth proportional to 26,513.69, 39,770.42 and 6,792.21 is: 10,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.69 : 39,770.42 = 6,792.21 : x
  2. Step 2: Convert to fraction form
    26,513.69/39,770.42 = 6,792.21/x
  3. Step 3: Cross multiply
    26,513.69x = 39,770.42 × 6,792.21
  4. Step 4: Simplify right side
    26,513.69x = 270,129,010.47
  5. Step 5: Solve for x
    x = 270,129,010.47/26,513.69
  6. Step 6: Final answer
    x = 10,188.29

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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.