Home / 28,760.27-43,120.39-12,741.11

Finding the Fourth Proportional to 28,760.27, 43,120.39 and 12,741.11

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Solution

The fourth proportional to 28,760.27, 43,120.39 and 12,741.11 is: 19,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.27 : 43,120.39 = 12,741.11 : x
  2. Step 2: Convert to fraction form
    28,760.27/43,120.39 = 12,741.11/x
  3. Step 3: Cross multiply
    28,760.27x = 43,120.39 × 12,741.11
  4. Step 4: Simplify right side
    28,760.27x = 549,401,632.23
  5. Step 5: Solve for x
    x = 549,401,632.23/28,760.27
  6. Step 6: Final answer
    x = 19,102.80

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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.