Home / 27,821.15-38,395.26-17,216.94

Finding the Fourth Proportional to 27,821.15, 38,395.26 and 17,216.94

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Solution

The fourth proportional to 27,821.15, 38,395.26 and 17,216.94 is: 23,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.15 : 38,395.26 = 17,216.94 : x
  2. Step 2: Convert to fraction form
    27,821.15/38,395.26 = 17,216.94/x
  3. Step 3: Cross multiply
    27,821.15x = 38,395.26 × 17,216.94
  4. Step 4: Simplify right side
    27,821.15x = 661,048,887.70
  5. Step 5: Solve for x
    x = 661,048,887.70/27,821.15
  6. Step 6: Final answer
    x = 23,760.66

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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.