Home / 27,740.12-41,555.18-12,928.66

Finding the Fourth Proportional to 27,740.12, 41,555.18 and 12,928.66

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Solution

The fourth proportional to 27,740.12, 41,555.18 and 12,928.66 is: 19,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.12 : 41,555.18 = 12,928.66 : x
  2. Step 2: Convert to fraction form
    27,740.12/41,555.18 = 12,928.66/x
  3. Step 3: Cross multiply
    27,740.12x = 41,555.18 × 12,928.66
  4. Step 4: Simplify right side
    27,740.12x = 537,252,721.89
  5. Step 5: Solve for x
    x = 537,252,721.89/27,740.12
  6. Step 6: Final answer
    x = 19,367.36

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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.