Home / 26,771.43-36,943.97-15,440.95

Finding the Fourth Proportional to 26,771.43, 36,943.97 and 15,440.95

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Solution

The fourth proportional to 26,771.43, 36,943.97 and 15,440.95 is: 21,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.43 : 36,943.97 = 15,440.95 : x
  2. Step 2: Convert to fraction form
    26,771.43/36,943.97 = 15,440.95/x
  3. Step 3: Cross multiply
    26,771.43x = 36,943.97 × 15,440.95
  4. Step 4: Simplify right side
    26,771.43x = 570,449,962.55
  5. Step 5: Solve for x
    x = 570,449,962.55/26,771.43
  6. Step 6: Final answer
    x = 21,308.16

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1.5x scale

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.