Home / 28,992.14-43,500.58-12,360

Finding the Fourth Proportional to 28,992.14, 43,500.58 and 12,360

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Solution

The fourth proportional to 28,992.14, 43,500.58 and 12,360 is: 18,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.14 : 43,500.58 = 12,360 : x
  2. Step 2: Convert to fraction form
    28,992.14/43,500.58 = 12,360/x
  3. Step 3: Cross multiply
    28,992.14x = 43,500.58 × 12,360
  4. Step 4: Simplify right side
    28,992.14x = 537,667,168.80
  5. Step 5: Solve for x
    x = 537,667,168.80/28,992.14
  6. Step 6: Final answer
    x = 18,545.27

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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.