Home / 29,792.88-40,816.58-28,672.11

Finding the Fourth Proportional to 29,792.88, 40,816.58 and 28,672.11

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Solution

The fourth proportional to 29,792.88, 40,816.58 and 28,672.11 is: 39,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,792.88 : 40,816.58 = 28,672.11 : x
  2. Step 2: Convert to fraction form
    29,792.88/40,816.58 = 28,672.11/x
  3. Step 3: Cross multiply
    29,792.88x = 40,816.58 × 28,672.11
  4. Step 4: Simplify right side
    29,792.88x = 1,170,297,328.22
  5. Step 5: Solve for x
    x = 1,170,297,328.22/29,792.88
  6. Step 6: Final answer
    x = 39,281.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.