Home / 27,686.80-38,212.15-17,604.73

Finding the Fourth Proportional to 27,686.80, 38,212.15 and 17,604.73

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Solution

The fourth proportional to 27,686.80, 38,212.15 and 17,604.73 is: 24,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.80 : 38,212.15 = 17,604.73 : x
  2. Step 2: Convert to fraction form
    27,686.80/38,212.15 = 17,604.73/x
  3. Step 3: Cross multiply
    27,686.80x = 38,212.15 × 17,604.73
  4. Step 4: Simplify right side
    27,686.80x = 672,714,583.47
  5. Step 5: Solve for x
    x = 672,714,583.47/27,686.80
  6. Step 6: Final answer
    x = 24,297.30

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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.