Home / 26,771.45-36,943.97-15,440.96

Finding the Fourth Proportional to 26,771.45, 36,943.97 and 15,440.96

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Solution

The fourth proportional to 26,771.45, 36,943.97 and 15,440.96 is: 21,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.45 : 36,943.97 = 15,440.96 : x
  2. Step 2: Convert to fraction form
    26,771.45/36,943.97 = 15,440.96/x
  3. Step 3: Cross multiply
    26,771.45x = 36,943.97 × 15,440.96
  4. Step 4: Simplify right side
    26,771.45x = 570,450,378.17
  5. Step 5: Solve for x
    x = 570,450,378.17/26,771.45
  6. Step 6: Final answer
    x = 21,308.17

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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.