Home / 27,097.30-40,573.05-21,216.70

Finding the Fourth Proportional to 27,097.30, 40,573.05 and 21,216.70

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Solution

The fourth proportional to 27,097.30, 40,573.05 and 21,216.70 is: 31,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,097.30 : 40,573.05 = 21,216.70 : x
  2. Step 2: Convert to fraction form
    27,097.30/40,573.05 = 21,216.70/x
  3. Step 3: Cross multiply
    27,097.30x = 40,573.05 × 21,216.70
  4. Step 4: Simplify right side
    27,097.30x = 860,826,229.94
  5. Step 5: Solve for x
    x = 860,826,229.94/27,097.30
  6. Step 6: Final answer
    x = 31,767.97

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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.