Home / 27,021.62-37,288.29-15,085.72

Finding the Fourth Proportional to 27,021.62, 37,288.29 and 15,085.72

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Solution

The fourth proportional to 27,021.62, 37,288.29 and 15,085.72 is: 20,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.62 : 37,288.29 = 15,085.72 : x
  2. Step 2: Convert to fraction form
    27,021.62/37,288.29 = 15,085.72/x
  3. Step 3: Cross multiply
    27,021.62x = 37,288.29 × 15,085.72
  4. Step 4: Simplify right side
    27,021.62x = 562,520,609.00
  5. Step 5: Solve for x
    x = 562,520,609.00/27,021.62
  6. Step 6: Final answer
    x = 20,817.43

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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.