Home / 27,843.43-38,386.76-22,119.87

Finding the Fourth Proportional to 27,843.43, 38,386.76 and 22,119.87

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Solution

The fourth proportional to 27,843.43, 38,386.76 and 22,119.87 is: 30,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.43 : 38,386.76 = 22,119.87 : x
  2. Step 2: Convert to fraction form
    27,843.43/38,386.76 = 22,119.87/x
  3. Step 3: Cross multiply
    27,843.43x = 38,386.76 × 22,119.87
  4. Step 4: Simplify right side
    27,843.43x = 849,110,257.22
  5. Step 5: Solve for x
    x = 849,110,257.22/27,843.43
  6. Step 6: Final answer
    x = 30,495.90

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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.