Home / 26,871.88-40,307.77-7,150.44

Finding the Fourth Proportional to 26,871.88, 40,307.77 and 7,150.44

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Solution

The fourth proportional to 26,871.88, 40,307.77 and 7,150.44 is: 10,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.88 : 40,307.77 = 7,150.44 : x
  2. Step 2: Convert to fraction form
    26,871.88/40,307.77 = 7,150.44/x
  3. Step 3: Cross multiply
    26,871.88x = 40,307.77 × 7,150.44
  4. Step 4: Simplify right side
    26,871.88x = 288,218,255.17
  5. Step 5: Solve for x
    x = 288,218,255.17/26,871.88
  6. Step 6: Final answer
    x = 10,725.65

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1.5x scale

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.