Home / 19,279.72-28,900.14-14,653

Finding the Fourth Proportional to 19,279.72, 28,900.14 and 14,653

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Solution

The fourth proportional to 19,279.72, 28,900.14 and 14,653 is: 21,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.72 : 28,900.14 = 14,653 : x
  2. Step 2: Convert to fraction form
    19,279.72/28,900.14 = 14,653/x
  3. Step 3: Cross multiply
    19,279.72x = 28,900.14 × 14,653
  4. Step 4: Simplify right side
    19,279.72x = 423,473,751.42
  5. Step 5: Solve for x
    x = 423,473,751.42/19,279.72
  6. Step 6: Final answer
    x = 21,964.73

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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.