Home / 27,897.21-41,849.87-10,129.05

Finding the Fourth Proportional to 27,897.21, 41,849.87 and 10,129.05

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Solution

The fourth proportional to 27,897.21, 41,849.87 and 10,129.05 is: 15,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.21 : 41,849.87 = 10,129.05 : x
  2. Step 2: Convert to fraction form
    27,897.21/41,849.87 = 10,129.05/x
  3. Step 3: Cross multiply
    27,897.21x = 41,849.87 × 10,129.05
  4. Step 4: Simplify right side
    27,897.21x = 423,899,375.08
  5. Step 5: Solve for x
    x = 423,899,375.08/27,897.21
  6. Step 6: Final answer
    x = 15,195.05

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1.5x scale

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.