Home / 27,906.93-38,498.76-17,142.03

Finding the Fourth Proportional to 27,906.93, 38,498.76 and 17,142.03

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Solution

The fourth proportional to 27,906.93, 38,498.76 and 17,142.03 is: 23,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.93 : 38,498.76 = 17,142.03 : x
  2. Step 2: Convert to fraction form
    27,906.93/38,498.76 = 17,142.03/x
  3. Step 3: Cross multiply
    27,906.93x = 38,498.76 × 17,142.03
  4. Step 4: Simplify right side
    27,906.93x = 659,946,898.88
  5. Step 5: Solve for x
    x = 659,946,898.88/27,906.93
  6. Step 6: Final answer
    x = 23,648.14

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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.