Home / 28,675.30-39,564.99-16,731.82

Finding the Fourth Proportional to 28,675.30, 39,564.99 and 16,731.82

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Solution

The fourth proportional to 28,675.30, 39,564.99 and 16,731.82 is: 23,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.30 : 39,564.99 = 16,731.82 : x
  2. Step 2: Convert to fraction form
    28,675.30/39,564.99 = 16,731.82/x
  3. Step 3: Cross multiply
    28,675.30x = 39,564.99 × 16,731.82
  4. Step 4: Simplify right side
    28,675.30x = 661,994,290.98
  5. Step 5: Solve for x
    x = 661,994,290.98/28,675.30
  6. Step 6: Final answer
    x = 23,085.87

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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.