Home / 28,286.69-39,042.64-16,356.94

Finding the Fourth Proportional to 28,286.69, 39,042.64 and 16,356.94

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Solution

The fourth proportional to 28,286.69, 39,042.64 and 16,356.94 is: 22,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.69 : 39,042.64 = 16,356.94 : x
  2. Step 2: Convert to fraction form
    28,286.69/39,042.64 = 16,356.94/x
  3. Step 3: Cross multiply
    28,286.69x = 39,042.64 × 16,356.94
  4. Step 4: Simplify right side
    28,286.69x = 638,618,042.76
  5. Step 5: Solve for x
    x = 638,618,042.76/28,286.69
  6. Step 6: Final answer
    x = 22,576.63

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1.5x scale

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.