Home / 28,719.52-43,090.26-11,201.56

Finding the Fourth Proportional to 28,719.52, 43,090.26 and 11,201.56

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Solution

The fourth proportional to 28,719.52, 43,090.26 and 11,201.56 is: 16,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.52 : 43,090.26 = 11,201.56 : x
  2. Step 2: Convert to fraction form
    28,719.52/43,090.26 = 11,201.56/x
  3. Step 3: Cross multiply
    28,719.52x = 43,090.26 × 11,201.56
  4. Step 4: Simplify right side
    28,719.52x = 482,678,132.81
  5. Step 5: Solve for x
    x = 482,678,132.81/28,719.52
  6. Step 6: Final answer
    x = 16,806.62

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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.