Home / 26,766.72-36,940.68-15,588

Finding the Fourth Proportional to 26,766.72, 36,940.68 and 15,588

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Solution

The fourth proportional to 26,766.72, 36,940.68 and 15,588 is: 21,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.72 : 36,940.68 = 15,588 : x
  2. Step 2: Convert to fraction form
    26,766.72/36,940.68 = 15,588/x
  3. Step 3: Cross multiply
    26,766.72x = 36,940.68 × 15,588
  4. Step 4: Simplify right side
    26,766.72x = 575,831,319.84
  5. Step 5: Solve for x
    x = 575,831,319.84/26,766.72
  6. Step 6: Final answer
    x = 21,512.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.