Home / 27,890.22-38,479.14-17,824.56

Finding the Fourth Proportional to 27,890.22, 38,479.14 and 17,824.56

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Solution

The fourth proportional to 27,890.22, 38,479.14 and 17,824.56 is: 24,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.22 : 38,479.14 = 17,824.56 : x
  2. Step 2: Convert to fraction form
    27,890.22/38,479.14 = 17,824.56/x
  3. Step 3: Cross multiply
    27,890.22x = 38,479.14 × 17,824.56
  4. Step 4: Simplify right side
    27,890.22x = 685,873,739.68
  5. Step 5: Solve for x
    x = 685,873,739.68/27,890.22
  6. Step 6: Final answer
    x = 24,591.91

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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.