Home / 28,556.43-39,405.51-17,071.08

Finding the Fourth Proportional to 28,556.43, 39,405.51 and 17,071.08

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Solution

The fourth proportional to 28,556.43, 39,405.51 and 17,071.08 is: 23,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.43 : 39,405.51 = 17,071.08 : x
  2. Step 2: Convert to fraction form
    28,556.43/39,405.51 = 17,071.08/x
  3. Step 3: Cross multiply
    28,556.43x = 39,405.51 × 17,071.08
  4. Step 4: Simplify right side
    28,556.43x = 672,694,613.65
  5. Step 5: Solve for x
    x = 672,694,613.65/28,556.43
  6. Step 6: Final answer
    x = 23,556.68

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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.