Home / 28,073.04-38,747.31-18,514.65

Finding the Fourth Proportional to 28,073.04, 38,747.31 and 18,514.65

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Solution

The fourth proportional to 28,073.04, 38,747.31 and 18,514.65 is: 25,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.04 : 38,747.31 = 18,514.65 : x
  2. Step 2: Convert to fraction form
    28,073.04/38,747.31 = 18,514.65/x
  3. Step 3: Cross multiply
    28,073.04x = 38,747.31 × 18,514.65
  4. Step 4: Simplify right side
    28,073.04x = 717,393,028.39
  5. Step 5: Solve for x
    x = 717,393,028.39/28,073.04
  6. Step 6: Final answer
    x = 25,554.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.