Home / 17,829.92-26,736.48-5,345.12

Finding the Fourth Proportional to 17,829.92, 26,736.48 and 5,345.12

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Solution

The fourth proportional to 17,829.92, 26,736.48 and 5,345.12 is: 8,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.92 : 26,736.48 = 5,345.12 : x
  2. Step 2: Convert to fraction form
    17,829.92/26,736.48 = 5,345.12/x
  3. Step 3: Cross multiply
    17,829.92x = 26,736.48 × 5,345.12
  4. Step 4: Simplify right side
    17,829.92x = 142,909,693.98
  5. Step 5: Solve for x
    x = 142,909,693.98/17,829.92
  6. Step 6: Final answer
    x = 8,015.16

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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.