Home / 28,766.45-39,693.57-16,827.53

Finding the Fourth Proportional to 28,766.45, 39,693.57 and 16,827.53

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Solution

The fourth proportional to 28,766.45, 39,693.57 and 16,827.53 is: 23,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.45 : 39,693.57 = 16,827.53 : x
  2. Step 2: Convert to fraction form
    28,766.45/39,693.57 = 16,827.53/x
  3. Step 3: Cross multiply
    28,766.45x = 39,693.57 × 16,827.53
  4. Step 4: Simplify right side
    28,766.45x = 667,944,739.98
  5. Step 5: Solve for x
    x = 667,944,739.98/28,766.45
  6. Step 6: Final answer
    x = 23,219.57

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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.