Home / 19,050.29-28,576.65-8,519.88

Finding the Fourth Proportional to 19,050.29, 28,576.65 and 8,519.88

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Solution

The fourth proportional to 19,050.29, 28,576.65 and 8,519.88 is: 12,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.29 : 28,576.65 = 8,519.88 : x
  2. Step 2: Convert to fraction form
    19,050.29/28,576.65 = 8,519.88/x
  3. Step 3: Cross multiply
    19,050.29x = 28,576.65 × 8,519.88
  4. Step 4: Simplify right side
    19,050.29x = 243,469,719.99
  5. Step 5: Solve for x
    x = 243,469,719.99/19,050.29
  6. Step 6: Final answer
    x = 12,780.37

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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.