Home / 28,484.74-42,736.33-13,694.81

Finding the Fourth Proportional to 28,484.74, 42,736.33 and 13,694.81

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Solution

The fourth proportional to 28,484.74, 42,736.33 and 13,694.81 is: 20,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.74 : 42,736.33 = 13,694.81 : x
  2. Step 2: Convert to fraction form
    28,484.74/42,736.33 = 13,694.81/x
  3. Step 3: Cross multiply
    28,484.74x = 42,736.33 × 13,694.81
  4. Step 4: Simplify right side
    28,484.74x = 585,265,919.45
  5. Step 5: Solve for x
    x = 585,265,919.45/28,484.74
  6. Step 6: Final answer
    x = 20,546.65

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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.