Home / 27,646.76-38,122.98-18,198.92

Finding the Fourth Proportional to 27,646.76, 38,122.98 and 18,198.92

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Solution

The fourth proportional to 27,646.76, 38,122.98 and 18,198.92 is: 25,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.76 : 38,122.98 = 18,198.92 : x
  2. Step 2: Convert to fraction form
    27,646.76/38,122.98 = 18,198.92/x
  3. Step 3: Cross multiply
    27,646.76x = 38,122.98 × 18,198.92
  4. Step 4: Simplify right side
    27,646.76x = 693,797,063.18
  5. Step 5: Solve for x
    x = 693,797,063.18/27,646.76
  6. Step 6: Final answer
    x = 25,095.06

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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.