Home / 28,826.62-39,798.90-22,099.78

Finding the Fourth Proportional to 28,826.62, 39,798.90 and 22,099.78

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Solution

The fourth proportional to 28,826.62, 39,798.90 and 22,099.78 is: 30,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.62 : 39,798.90 = 22,099.78 : x
  2. Step 2: Convert to fraction form
    28,826.62/39,798.90 = 22,099.78/x
  3. Step 3: Cross multiply
    28,826.62x = 39,798.90 × 22,099.78
  4. Step 4: Simplify right side
    28,826.62x = 879,546,934.24
  5. Step 5: Solve for x
    x = 879,546,934.24/28,826.62
  6. Step 6: Final answer
    x = 30,511.62

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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.