Home / 28,969.20-39,975.12-17,033.04

Finding the Fourth Proportional to 28,969.20, 39,975.12 and 17,033.04

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Solution

The fourth proportional to 28,969.20, 39,975.12 and 17,033.04 is: 23,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.20 : 39,975.12 = 17,033.04 : x
  2. Step 2: Convert to fraction form
    28,969.20/39,975.12 = 17,033.04/x
  3. Step 3: Cross multiply
    28,969.20x = 39,975.12 × 17,033.04
  4. Step 4: Simplify right side
    28,969.20x = 680,897,817.96
  5. Step 5: Solve for x
    x = 680,897,817.96/28,969.20
  6. Step 6: Final answer
    x = 23,504.20

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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.