Home / 28,923.57-43,391.76-12,297.87

Finding the Fourth Proportional to 28,923.57, 43,391.76 and 12,297.87

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Solution

The fourth proportional to 28,923.57, 43,391.76 and 12,297.87 is: 18,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.57 : 43,391.76 = 12,297.87 : x
  2. Step 2: Convert to fraction form
    28,923.57/43,391.76 = 12,297.87/x
  3. Step 3: Cross multiply
    28,923.57x = 43,391.76 × 12,297.87
  4. Step 4: Simplify right side
    28,923.57x = 533,626,223.55
  5. Step 5: Solve for x
    x = 533,626,223.55/28,923.57
  6. Step 6: Final answer
    x = 18,449.53

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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.