Home / 25,814.30-38,721.72-11,013.98

Finding the Fourth Proportional to 25,814.30, 38,721.72 and 11,013.98

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Solution

The fourth proportional to 25,814.30, 38,721.72 and 11,013.98 is: 16,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.30 : 38,721.72 = 11,013.98 : x
  2. Step 2: Convert to fraction form
    25,814.30/38,721.72 = 11,013.98/x
  3. Step 3: Cross multiply
    25,814.30x = 38,721.72 × 11,013.98
  4. Step 4: Simplify right side
    25,814.30x = 426,480,249.65
  5. Step 5: Solve for x
    x = 426,480,249.65/25,814.30
  6. Step 6: Final answer
    x = 16,521.09

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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.