Home / 28,743.84-43,120.62-13,162.68

Finding the Fourth Proportional to 28,743.84, 43,120.62 and 13,162.68

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Solution

The fourth proportional to 28,743.84, 43,120.62 and 13,162.68 is: 19,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.84 : 43,120.62 = 13,162.68 : x
  2. Step 2: Convert to fraction form
    28,743.84/43,120.62 = 13,162.68/x
  3. Step 3: Cross multiply
    28,743.84x = 43,120.62 × 13,162.68
  4. Step 4: Simplify right side
    28,743.84x = 567,582,922.46
  5. Step 5: Solve for x
    x = 567,582,922.46/28,743.84
  6. Step 6: Final answer
    x = 19,746.25

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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.