Home / 28,731.84-43,089.34-11,197.48

Finding the Fourth Proportional to 28,731.84, 43,089.34 and 11,197.48

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Solution

The fourth proportional to 28,731.84, 43,089.34 and 11,197.48 is: 16,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.84 : 43,089.34 = 11,197.48 : x
  2. Step 2: Convert to fraction form
    28,731.84/43,089.34 = 11,197.48/x
  3. Step 3: Cross multiply
    28,731.84x = 43,089.34 × 11,197.48
  4. Step 4: Simplify right side
    28,731.84x = 482,492,022.86
  5. Step 5: Solve for x
    x = 482,492,022.86/28,731.84
  6. Step 6: Final answer
    x = 16,792.94

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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.