Home / 28,975.96-39,984.06-23,022.04

Finding the Fourth Proportional to 28,975.96, 39,984.06 and 23,022.04

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Solution

The fourth proportional to 28,975.96, 39,984.06 and 23,022.04 is: 31,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.96 : 39,984.06 = 23,022.04 : x
  2. Step 2: Convert to fraction form
    28,975.96/39,984.06 = 23,022.04/x
  3. Step 3: Cross multiply
    28,975.96x = 39,984.06 × 23,022.04
  4. Step 4: Simplify right side
    28,975.96x = 920,514,628.68
  5. Step 5: Solve for x
    x = 920,514,628.68/28,975.96
  6. Step 6: Final answer
    x = 31,768.22

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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.