Home / 27,769.37-38,281.86-19,797.76

Finding the Fourth Proportional to 27,769.37, 38,281.86 and 19,797.76

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Solution

The fourth proportional to 27,769.37, 38,281.86 and 19,797.76 is: 27,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.37 : 38,281.86 = 19,797.76 : x
  2. Step 2: Convert to fraction form
    27,769.37/38,281.86 = 19,797.76/x
  3. Step 3: Cross multiply
    27,769.37x = 38,281.86 × 19,797.76
  4. Step 4: Simplify right side
    27,769.37x = 757,895,076.63
  5. Step 5: Solve for x
    x = 757,895,076.63/27,769.37
  6. Step 6: Final answer
    x = 27,292.48

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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.