Home / 26,756.60-40,131.72-7,036.70

Finding the Fourth Proportional to 26,756.60, 40,131.72 and 7,036.70

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Solution

The fourth proportional to 26,756.60, 40,131.72 and 7,036.70 is: 10,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.60 : 40,131.72 = 7,036.70 : x
  2. Step 2: Convert to fraction form
    26,756.60/40,131.72 = 7,036.70/x
  3. Step 3: Cross multiply
    26,756.60x = 40,131.72 × 7,036.70
  4. Step 4: Simplify right side
    26,756.60x = 282,394,838.94
  5. Step 5: Solve for x
    x = 282,394,838.94/26,756.60
  6. Step 6: Final answer
    x = 10,554.21

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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.