Home / 27,215.92-37,556.76-15,279.04

Finding the Fourth Proportional to 27,215.92, 37,556.76 and 15,279.04

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Solution

The fourth proportional to 27,215.92, 37,556.76 and 15,279.04 is: 21,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.92 : 37,556.76 = 15,279.04 : x
  2. Step 2: Convert to fraction form
    27,215.92/37,556.76 = 15,279.04/x
  3. Step 3: Cross multiply
    27,215.92x = 37,556.76 × 15,279.04
  4. Step 4: Simplify right side
    27,215.92x = 573,831,238.31
  5. Step 5: Solve for x
    x = 573,831,238.31/27,215.92
  6. Step 6: Final answer
    x = 21,084.40

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Similar ratio
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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.