Home / 28,940.59-39,915.48-19,377.44

Finding the Fourth Proportional to 28,940.59, 39,915.48 and 19,377.44

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Solution

The fourth proportional to 28,940.59, 39,915.48 and 19,377.44 is: 26,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.59 : 39,915.48 = 19,377.44 : x
  2. Step 2: Convert to fraction form
    28,940.59/39,915.48 = 19,377.44/x
  3. Step 3: Cross multiply
    28,940.59x = 39,915.48 × 19,377.44
  4. Step 4: Simplify right side
    28,940.59x = 773,459,818.77
  5. Step 5: Solve for x
    x = 773,459,818.77/28,940.59
  6. Step 6: Final answer
    x = 26,725.78

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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.