Home / 28,895.94-39,873.06-16,792.72

Finding the Fourth Proportional to 28,895.94, 39,873.06 and 16,792.72

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Solution

The fourth proportional to 28,895.94, 39,873.06 and 16,792.72 is: 23,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.94 : 39,873.06 = 16,792.72 : x
  2. Step 2: Convert to fraction form
    28,895.94/39,873.06 = 16,792.72/x
  3. Step 3: Cross multiply
    28,895.94x = 39,873.06 × 16,792.72
  4. Step 4: Simplify right side
    28,895.94x = 669,577,032.44
  5. Step 5: Solve for x
    x = 669,577,032.44/28,895.94
  6. Step 6: Final answer
    x = 23,172.01

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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.