Home / 27,718.74-41,479.64-20,304.81

Finding the Fourth Proportional to 27,718.74, 41,479.64 and 20,304.81

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Solution

The fourth proportional to 27,718.74, 41,479.64 and 20,304.81 is: 30,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.74 : 41,479.64 = 20,304.81 : x
  2. Step 2: Convert to fraction form
    27,718.74/41,479.64 = 20,304.81/x
  3. Step 3: Cross multiply
    27,718.74x = 41,479.64 × 20,304.81
  4. Step 4: Simplify right side
    27,718.74x = 842,236,472.89
  5. Step 5: Solve for x
    x = 842,236,472.89/27,718.74
  6. Step 6: Final answer
    x = 30,385.09

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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.