Home / 17,760.57-26,575.09-14,239.80

Finding the Fourth Proportional to 17,760.57, 26,575.09 and 14,239.80

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Solution

The fourth proportional to 17,760.57, 26,575.09 and 14,239.80 is: 21,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.57 : 26,575.09 = 14,239.80 : x
  2. Step 2: Convert to fraction form
    17,760.57/26,575.09 = 14,239.80/x
  3. Step 3: Cross multiply
    17,760.57x = 26,575.09 × 14,239.80
  4. Step 4: Simplify right side
    17,760.57x = 378,423,930.98
  5. Step 5: Solve for x
    x = 378,423,930.98/17,760.57
  6. Step 6: Final answer
    x = 21,306.97

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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.