Home / 27,731.80-41,574.30-12,932.92

Finding the Fourth Proportional to 27,731.80, 41,574.30 and 12,932.92

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Solution

The fourth proportional to 27,731.80, 41,574.30 and 12,932.92 is: 19,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.80 : 41,574.30 = 12,932.92 : x
  2. Step 2: Convert to fraction form
    27,731.80/41,574.30 = 12,932.92/x
  3. Step 3: Cross multiply
    27,731.80x = 41,574.30 × 12,932.92
  4. Step 4: Simplify right side
    27,731.80x = 537,677,095.96
  5. Step 5: Solve for x
    x = 537,677,095.96/27,731.80
  6. Step 6: Final answer
    x = 19,388.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.