Home / 26,881.26-40,326.14-7,161.40

Finding the Fourth Proportional to 26,881.26, 40,326.14 and 7,161.40

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Solution

The fourth proportional to 26,881.26, 40,326.14 and 7,161.40 is: 10,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.26 : 40,326.14 = 7,161.40 : x
  2. Step 2: Convert to fraction form
    26,881.26/40,326.14 = 7,161.40/x
  3. Step 3: Cross multiply
    26,881.26x = 40,326.14 × 7,161.40
  4. Step 4: Simplify right side
    26,881.26x = 288,791,619.00
  5. Step 5: Solve for x
    x = 288,791,619.00/26,881.26
  6. Step 6: Final answer
    x = 10,743.23

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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.