Home / 19,841.21-27,380.79-10,888.86

Finding the Fourth Proportional to 19,841.21, 27,380.79 and 10,888.86

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Solution

The fourth proportional to 19,841.21, 27,380.79 and 10,888.86 is: 15,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.21 : 27,380.79 = 10,888.86 : x
  2. Step 2: Convert to fraction form
    19,841.21/27,380.79 = 10,888.86/x
  3. Step 3: Cross multiply
    19,841.21x = 27,380.79 × 10,888.86
  4. Step 4: Simplify right side
    19,841.21x = 298,145,589.00
  5. Step 5: Solve for x
    x = 298,145,589.00/19,841.21
  6. Step 6: Final answer
    x = 15,026.58

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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.