Home / 28,969.96-39,975.78-23,016.04

Finding the Fourth Proportional to 28,969.96, 39,975.78 and 23,016.04

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Solution

The fourth proportional to 28,969.96, 39,975.78 and 23,016.04 is: 31,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.96 : 39,975.78 = 23,016.04 : x
  2. Step 2: Convert to fraction form
    28,969.96/39,975.78 = 23,016.04/x
  3. Step 3: Cross multiply
    28,969.96x = 39,975.78 × 23,016.04
  4. Step 4: Simplify right side
    28,969.96x = 920,084,151.51
  5. Step 5: Solve for x
    x = 920,084,151.51/28,969.96
  6. Step 6: Final answer
    x = 31,759.94

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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.