Home / 28,761.36-43,142.16-17,084.40

Finding the Fourth Proportional to 28,761.36, 43,142.16 and 17,084.40

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Solution

The fourth proportional to 28,761.36, 43,142.16 and 17,084.40 is: 25,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.36 : 43,142.16 = 17,084.40 : x
  2. Step 2: Convert to fraction form
    28,761.36/43,142.16 = 17,084.40/x
  3. Step 3: Cross multiply
    28,761.36x = 43,142.16 × 17,084.40
  4. Step 4: Simplify right side
    28,761.36x = 737,057,918.30
  5. Step 5: Solve for x
    x = 737,057,918.30/28,761.36
  6. Step 6: Final answer
    x = 25,626.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.