Home / 28,731.57-43,088.98-11,197.23

Finding the Fourth Proportional to 28,731.57, 43,088.98 and 11,197.23

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Solution

The fourth proportional to 28,731.57, 43,088.98 and 11,197.23 is: 16,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.57 : 43,088.98 = 11,197.23 : x
  2. Step 2: Convert to fraction form
    28,731.57/43,088.98 = 11,197.23/x
  3. Step 3: Cross multiply
    28,731.57x = 43,088.98 × 11,197.23
  4. Step 4: Simplify right side
    28,731.57x = 482,477,219.53
  5. Step 5: Solve for x
    x = 482,477,219.53/28,731.57
  6. Step 6: Final answer
    x = 16,792.58

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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.