Home / 26,868.26-40,309.22-15,784.32

Finding the Fourth Proportional to 26,868.26, 40,309.22 and 15,784.32

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Solution

The fourth proportional to 26,868.26, 40,309.22 and 15,784.32 is: 23,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.26 : 40,309.22 = 15,784.32 : x
  2. Step 2: Convert to fraction form
    26,868.26/40,309.22 = 15,784.32/x
  3. Step 3: Cross multiply
    26,868.26x = 40,309.22 × 15,784.32
  4. Step 4: Simplify right side
    26,868.26x = 636,253,627.43
  5. Step 5: Solve for x
    x = 636,253,627.43/26,868.26
  6. Step 6: Final answer
    x = 23,680.49

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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.