Home / 28,750.94-39,675.96-16,003.90

Finding the Fourth Proportional to 28,750.94, 39,675.96 and 16,003.90

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Solution

The fourth proportional to 28,750.94, 39,675.96 and 16,003.90 is: 22,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.94 : 39,675.96 = 16,003.90 : x
  2. Step 2: Convert to fraction form
    28,750.94/39,675.96 = 16,003.90/x
  3. Step 3: Cross multiply
    28,750.94x = 39,675.96 × 16,003.90
  4. Step 4: Simplify right side
    28,750.94x = 634,970,096.24
  5. Step 5: Solve for x
    x = 634,970,096.24/28,750.94
  6. Step 6: Final answer
    x = 22,085.19

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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.