Home / 19,135.90-28,709.34-8,036.88

Finding the Fourth Proportional to 19,135.90, 28,709.34 and 8,036.88

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Solution

The fourth proportional to 19,135.90, 28,709.34 and 8,036.88 is: 12,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.90 : 28,709.34 = 8,036.88 : x
  2. Step 2: Convert to fraction form
    19,135.90/28,709.34 = 8,036.88/x
  3. Step 3: Cross multiply
    19,135.90x = 28,709.34 × 8,036.88
  4. Step 4: Simplify right side
    19,135.90x = 230,733,520.46
  5. Step 5: Solve for x
    x = 230,733,520.46/19,135.90
  6. Step 6: Final answer
    x = 12,057.63

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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.