Home / 19,095-28,608.61-7,977.23

Finding the Fourth Proportional to 19,095, 28,608.61 and 7,977.23

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Solution

The fourth proportional to 19,095, 28,608.61 and 7,977.23 is: 11,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095 : 28,608.61 = 7,977.23 : x
  2. Step 2: Convert to fraction form
    19,095/28,608.61 = 7,977.23/x
  3. Step 3: Cross multiply
    19,095x = 28,608.61 × 7,977.23
  4. Step 4: Simplify right side
    19,095x = 228,217,461.95
  5. Step 5: Solve for x
    x = 228,217,461.95/19,095
  6. Step 6: Final answer
    x = 11,951.69

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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.