Home / 28,693.32-39,600.50-16,118.07

Finding the Fourth Proportional to 28,693.32, 39,600.50 and 16,118.07

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Solution

The fourth proportional to 28,693.32, 39,600.50 and 16,118.07 is: 22,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.32 : 39,600.50 = 16,118.07 : x
  2. Step 2: Convert to fraction form
    28,693.32/39,600.50 = 16,118.07/x
  3. Step 3: Cross multiply
    28,693.32x = 39,600.50 × 16,118.07
  4. Step 4: Simplify right side
    28,693.32x = 638,283,550.44
  5. Step 5: Solve for x
    x = 638,283,550.44/28,693.32
  6. Step 6: Final answer
    x = 22,245.02

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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.