Home / 19,054.90-28,579.11-5,200.66

Finding the Fourth Proportional to 19,054.90, 28,579.11 and 5,200.66

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Solution

The fourth proportional to 19,054.90, 28,579.11 and 5,200.66 is: 7,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.90 : 28,579.11 = 5,200.66 : x
  2. Step 2: Convert to fraction form
    19,054.90/28,579.11 = 5,200.66/x
  3. Step 3: Cross multiply
    19,054.90x = 28,579.11 × 5,200.66
  4. Step 4: Simplify right side
    19,054.90x = 148,630,234.21
  5. Step 5: Solve for x
    x = 148,630,234.21/19,054.90
  6. Step 6: Final answer
    x = 7,800.11

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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.