Home / 25,819.64-38,734.50-8,288.12

Finding the Fourth Proportional to 25,819.64, 38,734.50 and 8,288.12

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Solution

The fourth proportional to 25,819.64, 38,734.50 and 8,288.12 is: 12,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.64 : 38,734.50 = 8,288.12 : x
  2. Step 2: Convert to fraction form
    25,819.64/38,734.50 = 8,288.12/x
  3. Step 3: Cross multiply
    25,819.64x = 38,734.50 × 8,288.12
  4. Step 4: Simplify right side
    25,819.64x = 321,036,184.14
  5. Step 5: Solve for x
    x = 321,036,184.14/25,819.64
  6. Step 6: Final answer
    x = 12,433.80

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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.