Home / 27,821.86-38,373.22-19,324

Finding the Fourth Proportional to 27,821.86, 38,373.22 and 19,324

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Solution

The fourth proportional to 27,821.86, 38,373.22 and 19,324 is: 26,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.86 : 38,373.22 = 19,324 : x
  2. Step 2: Convert to fraction form
    27,821.86/38,373.22 = 19,324/x
  3. Step 3: Cross multiply
    27,821.86x = 38,373.22 × 19,324
  4. Step 4: Simplify right side
    27,821.86x = 741,524,103.28
  5. Step 5: Solve for x
    x = 741,524,103.28/27,821.86
  6. Step 6: Final answer
    x = 26,652.57

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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.