Home / 30,658.38-45,964.26-15,857.88

Finding the Fourth Proportional to 30,658.38, 45,964.26 and 15,857.88

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Solution

The fourth proportional to 30,658.38, 45,964.26 and 15,857.88 is: 23,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658.38 : 45,964.26 = 15,857.88 : x
  2. Step 2: Convert to fraction form
    30,658.38/45,964.26 = 15,857.88/x
  3. Step 3: Cross multiply
    30,658.38x = 45,964.26 × 15,857.88
  4. Step 4: Simplify right side
    30,658.38x = 728,895,719.37
  5. Step 5: Solve for x
    x = 728,895,719.37/30,658.38
  6. Step 6: Final answer
    x = 23,774.76

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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.