Home / 19,932.74-27,498.63-12,760.89

Finding the Fourth Proportional to 19,932.74, 27,498.63 and 12,760.89

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Solution

The fourth proportional to 19,932.74, 27,498.63 and 12,760.89 is: 17,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.74 : 27,498.63 = 12,760.89 : x
  2. Step 2: Convert to fraction form
    19,932.74/27,498.63 = 12,760.89/x
  3. Step 3: Cross multiply
    19,932.74x = 27,498.63 × 12,760.89
  4. Step 4: Simplify right side
    19,932.74x = 350,906,992.58
  5. Step 5: Solve for x
    x = 350,906,992.58/19,932.74
  6. Step 6: Final answer
    x = 17,604.56

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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.