Home / 27,754.23-38,305.15-18,221.77

Finding the Fourth Proportional to 27,754.23, 38,305.15 and 18,221.77

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Solution

The fourth proportional to 27,754.23, 38,305.15 and 18,221.77 is: 25,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.23 : 38,305.15 = 18,221.77 : x
  2. Step 2: Convert to fraction form
    27,754.23/38,305.15 = 18,221.77/x
  3. Step 3: Cross multiply
    27,754.23x = 38,305.15 × 18,221.77
  4. Step 4: Simplify right side
    27,754.23x = 697,987,446.24
  5. Step 5: Solve for x
    x = 697,987,446.24/27,754.23
  6. Step 6: Final answer
    x = 25,148.87

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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.