Home / 27,421.12-41,131.68-15,741.76

Finding the Fourth Proportional to 27,421.12, 41,131.68 and 15,741.76

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Solution

The fourth proportional to 27,421.12, 41,131.68 and 15,741.76 is: 23,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.12 : 41,131.68 = 15,741.76 : x
  2. Step 2: Convert to fraction form
    27,421.12/41,131.68 = 15,741.76/x
  3. Step 3: Cross multiply
    27,421.12x = 41,131.68 × 15,741.76
  4. Step 4: Simplify right side
    27,421.12x = 647,485,034.96
  5. Step 5: Solve for x
    x = 647,485,034.96/27,421.12
  6. Step 6: Final answer
    x = 23,612.64

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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.