Home / 27,930.88-38,559.54-17,329.60

Finding the Fourth Proportional to 27,930.88, 38,559.54 and 17,329.60

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Solution

The fourth proportional to 27,930.88, 38,559.54 and 17,329.60 is: 23,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.88 : 38,559.54 = 17,329.60 : x
  2. Step 2: Convert to fraction form
    27,930.88/38,559.54 = 17,329.60/x
  3. Step 3: Cross multiply
    27,930.88x = 38,559.54 × 17,329.60
  4. Step 4: Simplify right side
    27,930.88x = 668,221,404.38
  5. Step 5: Solve for x
    x = 668,221,404.38/27,930.88
  6. Step 6: Final answer
    x = 23,924.11

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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.