Home / 17,790.17-26,688-5,940.28

Finding the Fourth Proportional to 17,790.17, 26,688 and 5,940.28

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Solution

The fourth proportional to 17,790.17, 26,688 and 5,940.28 is: 8,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.17 : 26,688 = 5,940.28 : x
  2. Step 2: Convert to fraction form
    17,790.17/26,688 = 5,940.28/x
  3. Step 3: Cross multiply
    17,790.17x = 26,688 × 5,940.28
  4. Step 4: Simplify right side
    17,790.17x = 158,534,059.20
  5. Step 5: Solve for x
    x = 158,534,059.20/17,790.17
  6. Step 6: Final answer
    x = 8,911.33

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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.