Home / 57,719.92-86,595.18-18,277.72

Finding the Fourth Proportional to 57,719.92, 86,595.18 and 18,277.72

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Solution

The fourth proportional to 57,719.92, 86,595.18 and 18,277.72 is: 27,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.92 : 86,595.18 = 18,277.72 : x
  2. Step 2: Convert to fraction form
    57,719.92/86,595.18 = 18,277.72/x
  3. Step 3: Cross multiply
    57,719.92x = 86,595.18 × 18,277.72
  4. Step 4: Simplify right side
    57,719.92x = 1,582,762,453.39
  5. Step 5: Solve for x
    x = 1,582,762,453.39/57,719.92
  6. Step 6: Final answer
    x = 27,421.42

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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.