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Finding the Fourth Proportional to 43,841.44, 60,461.46 and 28,728.57

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Solution

The fourth proportional to 43,841.44, 60,461.46 and 28,728.57 is: 39,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.44 : 60,461.46 = 28,728.57 : x
  2. Step 2: Convert to fraction form
    43,841.44/60,461.46 = 28,728.57/x
  3. Step 3: Cross multiply
    43,841.44x = 60,461.46 × 28,728.57
  4. Step 4: Simplify right side
    43,841.44x = 1,736,971,285.91
  5. Step 5: Solve for x
    x = 1,736,971,285.91/43,841.44
  6. Step 6: Final answer
    x = 39,619.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.