Home / 27,995.52-38,621.34-18,917.97

Finding the Fourth Proportional to 27,995.52, 38,621.34 and 18,917.97

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Solution

The fourth proportional to 27,995.52, 38,621.34 and 18,917.97 is: 26,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.52 : 38,621.34 = 18,917.97 : x
  2. Step 2: Convert to fraction form
    27,995.52/38,621.34 = 18,917.97/x
  3. Step 3: Cross multiply
    27,995.52x = 38,621.34 × 18,917.97
  4. Step 4: Simplify right side
    27,995.52x = 730,637,351.48
  5. Step 5: Solve for x
    x = 730,637,351.48/27,995.52
  6. Step 6: Final answer
    x = 26,098.37

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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.