Home / 27,929.92-38,514.72-18,495.04

Finding the Fourth Proportional to 27,929.92, 38,514.72 and 18,495.04

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Solution

The fourth proportional to 27,929.92, 38,514.72 and 18,495.04 is: 25,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.92 : 38,514.72 = 18,495.04 : x
  2. Step 2: Convert to fraction form
    27,929.92/38,514.72 = 18,495.04/x
  3. Step 3: Cross multiply
    27,929.92x = 38,514.72 × 18,495.04
  4. Step 4: Simplify right side
    27,929.92x = 712,331,286.99
  5. Step 5: Solve for x
    x = 712,331,286.99/27,929.92
  6. Step 6: Final answer
    x = 25,504.24

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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.