Home / 28,484.43-42,735.87-13,694.50

Finding the Fourth Proportional to 28,484.43, 42,735.87 and 13,694.50

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Solution

The fourth proportional to 28,484.43, 42,735.87 and 13,694.50 is: 20,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.43 : 42,735.87 = 13,694.50 : x
  2. Step 2: Convert to fraction form
    28,484.43/42,735.87 = 13,694.50/x
  3. Step 3: Cross multiply
    28,484.43x = 42,735.87 × 13,694.50
  4. Step 4: Simplify right side
    28,484.43x = 585,246,425.13
  5. Step 5: Solve for x
    x = 585,246,425.13/28,484.43
  6. Step 6: Final answer
    x = 20,546.19

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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.