Home / 28,913.78-39,896.61-16,333.94

Finding the Fourth Proportional to 28,913.78, 39,896.61 and 16,333.94

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Solution

The fourth proportional to 28,913.78, 39,896.61 and 16,333.94 is: 22,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.78 : 39,896.61 = 16,333.94 : x
  2. Step 2: Convert to fraction form
    28,913.78/39,896.61 = 16,333.94/x
  3. Step 3: Cross multiply
    28,913.78x = 39,896.61 × 16,333.94
  4. Step 4: Simplify right side
    28,913.78x = 651,668,833.94
  5. Step 5: Solve for x
    x = 651,668,833.94/28,913.78
  6. Step 6: Final answer
    x = 22,538.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.