Home / 28,382.16-39,160.86-16,277.04

Finding the Fourth Proportional to 28,382.16, 39,160.86 and 16,277.04

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Solution

The fourth proportional to 28,382.16, 39,160.86 and 16,277.04 is: 22,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.16 : 39,160.86 = 16,277.04 : x
  2. Step 2: Convert to fraction form
    28,382.16/39,160.86 = 16,277.04/x
  3. Step 3: Cross multiply
    28,382.16x = 39,160.86 × 16,277.04
  4. Step 4: Simplify right side
    28,382.16x = 637,422,884.65
  5. Step 5: Solve for x
    x = 637,422,884.65/28,382.16
  6. Step 6: Final answer
    x = 22,458.58

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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.