Home / 28,752.66-39,675.60-16,003.80

Finding the Fourth Proportional to 28,752.66, 39,675.60 and 16,003.80

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Solution

The fourth proportional to 28,752.66, 39,675.60 and 16,003.80 is: 22,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.66 : 39,675.60 = 16,003.80 : x
  2. Step 2: Convert to fraction form
    28,752.66/39,675.60 = 16,003.80/x
  3. Step 3: Cross multiply
    28,752.66x = 39,675.60 × 16,003.80
  4. Step 4: Simplify right side
    28,752.66x = 634,960,367.28
  5. Step 5: Solve for x
    x = 634,960,367.28/28,752.66
  6. Step 6: Final answer
    x = 22,083.53

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1.5x scale

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.