Home / 28,078.30-38,738.62-17,467.26

Finding the Fourth Proportional to 28,078.30, 38,738.62 and 17,467.26

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Solution

The fourth proportional to 28,078.30, 38,738.62 and 17,467.26 is: 24,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078.30 : 38,738.62 = 17,467.26 : x
  2. Step 2: Convert to fraction form
    28,078.30/38,738.62 = 17,467.26/x
  3. Step 3: Cross multiply
    28,078.30x = 38,738.62 × 17,467.26
  4. Step 4: Simplify right side
    28,078.30x = 676,657,547.58
  5. Step 5: Solve for x
    x = 676,657,547.58/28,078.30
  6. Step 6: Final answer
    x = 24,098.95

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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.