Home / 27,339.08-41,008.59-21,108.15

Finding the Fourth Proportional to 27,339.08, 41,008.59 and 21,108.15

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Solution

The fourth proportional to 27,339.08, 41,008.59 and 21,108.15 is: 31,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.08 : 41,008.59 = 21,108.15 : x
  2. Step 2: Convert to fraction form
    27,339.08/41,008.59 = 21,108.15/x
  3. Step 3: Cross multiply
    27,339.08x = 41,008.59 × 21,108.15
  4. Step 4: Simplify right side
    27,339.08x = 865,615,469.01
  5. Step 5: Solve for x
    x = 865,615,469.01/27,339.08
  6. Step 6: Final answer
    x = 31,662.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.