Home / 28,907.48-39,893.10-16,331.96

Finding the Fourth Proportional to 28,907.48, 39,893.10 and 16,331.96

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Solution

The fourth proportional to 28,907.48, 39,893.10 and 16,331.96 is: 22,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.48 : 39,893.10 = 16,331.96 : x
  2. Step 2: Convert to fraction form
    28,907.48/39,893.10 = 16,331.96/x
  3. Step 3: Cross multiply
    28,907.48x = 39,893.10 × 16,331.96
  4. Step 4: Simplify right side
    28,907.48x = 651,532,513.48
  5. Step 5: Solve for x
    x = 651,532,513.48/28,907.48
  6. Step 6: Final answer
    x = 22,538.54

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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.