Home / 28,466.37-39,275.28-16,364.97

Finding the Fourth Proportional to 28,466.37, 39,275.28 and 16,364.97

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Solution

The fourth proportional to 28,466.37, 39,275.28 and 16,364.97 is: 22,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.37 : 39,275.28 = 16,364.97 : x
  2. Step 2: Convert to fraction form
    28,466.37/39,275.28 = 16,364.97/x
  3. Step 3: Cross multiply
    28,466.37x = 39,275.28 × 16,364.97
  4. Step 4: Simplify right side
    28,466.37x = 642,738,778.94
  5. Step 5: Solve for x
    x = 642,738,778.94/28,466.37
  6. Step 6: Final answer
    x = 22,578.88

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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.