Home / 19,354.06-28,992.21-16,379.74

Finding the Fourth Proportional to 19,354.06, 28,992.21 and 16,379.74

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Solution

The fourth proportional to 19,354.06, 28,992.21 and 16,379.74 is: 24,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.06 : 28,992.21 = 16,379.74 : x
  2. Step 2: Convert to fraction form
    19,354.06/28,992.21 = 16,379.74/x
  3. Step 3: Cross multiply
    19,354.06x = 28,992.21 × 16,379.74
  4. Step 4: Simplify right side
    19,354.06x = 474,884,861.83
  5. Step 5: Solve for x
    x = 474,884,861.83/19,354.06
  6. Step 6: Final answer
    x = 24,536.71

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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.