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Finding the Fourth Proportional to 28,537.26, 42,807.94 and 8,813.26

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Solution

The fourth proportional to 28,537.26, 42,807.94 and 8,813.26 is: 13,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.26 : 42,807.94 = 8,813.26 : x
  2. Step 2: Convert to fraction form
    28,537.26/42,807.94 = 8,813.26/x
  3. Step 3: Cross multiply
    28,537.26x = 42,807.94 × 8,813.26
  4. Step 4: Simplify right side
    28,537.26x = 377,277,345.54
  5. Step 5: Solve for x
    x = 377,277,345.54/28,537.26
  6. Step 6: Final answer
    x = 13,220.52

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1.5x scale

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.