Home / 28,868.86-39,839.52-16,932.52

Finding the Fourth Proportional to 28,868.86, 39,839.52 and 16,932.52

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Solution

The fourth proportional to 28,868.86, 39,839.52 and 16,932.52 is: 23,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.86 : 39,839.52 = 16,932.52 : x
  2. Step 2: Convert to fraction form
    28,868.86/39,839.52 = 16,932.52/x
  3. Step 3: Cross multiply
    28,868.86x = 39,839.52 × 16,932.52
  4. Step 4: Simplify right side
    28,868.86x = 674,583,469.19
  5. Step 5: Solve for x
    x = 674,583,469.19/28,868.86
  6. Step 6: Final answer
    x = 23,367.17

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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.