Home / 28,668.33-39,532.05-20,167.65

Finding the Fourth Proportional to 28,668.33, 39,532.05 and 20,167.65

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Solution

The fourth proportional to 28,668.33, 39,532.05 and 20,167.65 is: 27,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.33 : 39,532.05 = 20,167.65 : x
  2. Step 2: Convert to fraction form
    28,668.33/39,532.05 = 20,167.65/x
  3. Step 3: Cross multiply
    28,668.33x = 39,532.05 × 20,167.65
  4. Step 4: Simplify right side
    28,668.33x = 797,268,548.18
  5. Step 5: Solve for x
    x = 797,268,548.18/28,668.33
  6. Step 6: Final answer
    x = 27,810.08

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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.