Home / 27,283.77-37,661.56-17,218.78

Finding the Fourth Proportional to 27,283.77, 37,661.56 and 17,218.78

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Solution

The fourth proportional to 27,283.77, 37,661.56 and 17,218.78 is: 23,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,283.77 : 37,661.56 = 17,218.78 : x
  2. Step 2: Convert to fraction form
    27,283.77/37,661.56 = 17,218.78/x
  3. Step 3: Cross multiply
    27,283.77x = 37,661.56 × 17,218.78
  4. Step 4: Simplify right side
    27,283.77x = 648,485,978.90
  5. Step 5: Solve for x
    x = 648,485,978.90/27,283.77
  6. Step 6: Final answer
    x = 23,768.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.