Home / 28,750.88-39,676.20-16,003.79

Finding the Fourth Proportional to 28,750.88, 39,676.20 and 16,003.79

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Solution

The fourth proportional to 28,750.88, 39,676.20 and 16,003.79 is: 22,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.88 : 39,676.20 = 16,003.79 : x
  2. Step 2: Convert to fraction form
    28,750.88/39,676.20 = 16,003.79/x
  3. Step 3: Cross multiply
    28,750.88x = 39,676.20 × 16,003.79
  4. Step 4: Simplify right side
    28,750.88x = 634,969,572.80
  5. Step 5: Solve for x
    x = 634,969,572.80/28,750.88
  6. Step 6: Final answer
    x = 22,085.22

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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.