Home / 19,729.76-27,226.61-10,777.30

Finding the Fourth Proportional to 19,729.76, 27,226.61 and 10,777.30

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Solution

The fourth proportional to 19,729.76, 27,226.61 and 10,777.30 is: 14,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.76 : 27,226.61 = 10,777.30 : x
  2. Step 2: Convert to fraction form
    19,729.76/27,226.61 = 10,777.30/x
  3. Step 3: Cross multiply
    19,729.76x = 27,226.61 × 10,777.30
  4. Step 4: Simplify right side
    19,729.76x = 293,429,262.41
  5. Step 5: Solve for x
    x = 293,429,262.41/19,729.76
  6. Step 6: Final answer
    x = 14,872.42

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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.