Home / 27,196.75-40,785.15-9,422.81

Finding the Fourth Proportional to 27,196.75, 40,785.15 and 9,422.81

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Solution

The fourth proportional to 27,196.75, 40,785.15 and 9,422.81 is: 14,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,196.75 : 40,785.15 = 9,422.81 : x
  2. Step 2: Convert to fraction form
    27,196.75/40,785.15 = 9,422.81/x
  3. Step 3: Cross multiply
    27,196.75x = 40,785.15 × 9,422.81
  4. Step 4: Simplify right side
    27,196.75x = 384,310,821.23
  5. Step 5: Solve for x
    x = 384,310,821.23/27,196.75
  6. Step 6: Final answer
    x = 14,130.76

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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.