Home / 27,664.74-38,175.84-15,726.42

Finding the Fourth Proportional to 27,664.74, 38,175.84 and 15,726.42

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Solution

The fourth proportional to 27,664.74, 38,175.84 and 15,726.42 is: 21,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.74 : 38,175.84 = 15,726.42 : x
  2. Step 2: Convert to fraction form
    27,664.74/38,175.84 = 15,726.42/x
  3. Step 3: Cross multiply
    27,664.74x = 38,175.84 × 15,726.42
  4. Step 4: Simplify right side
    27,664.74x = 600,369,293.69
  5. Step 5: Solve for x
    x = 600,369,293.69/27,664.74
  6. Step 6: Final answer
    x = 21,701.61

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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.