Home / 27,517.80-37,955.30-17,311.80

Finding the Fourth Proportional to 27,517.80, 37,955.30 and 17,311.80

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Solution

The fourth proportional to 27,517.80, 37,955.30 and 17,311.80 is: 23,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.80 : 37,955.30 = 17,311.80 : x
  2. Step 2: Convert to fraction form
    27,517.80/37,955.30 = 17,311.80/x
  3. Step 3: Cross multiply
    27,517.80x = 37,955.30 × 17,311.80
  4. Step 4: Simplify right side
    27,517.80x = 657,074,562.54
  5. Step 5: Solve for x
    x = 657,074,562.54/27,517.80
  6. Step 6: Final answer
    x = 23,878.16

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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.