Home / 27,148.44-40,695.70-12,891.92

Finding the Fourth Proportional to 27,148.44, 40,695.70 and 12,891.92

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Solution

The fourth proportional to 27,148.44, 40,695.70 and 12,891.92 is: 19,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.44 : 40,695.70 = 12,891.92 : x
  2. Step 2: Convert to fraction form
    27,148.44/40,695.70 = 12,891.92/x
  3. Step 3: Cross multiply
    27,148.44x = 40,695.70 × 12,891.92
  4. Step 4: Simplify right side
    27,148.44x = 524,645,708.74
  5. Step 5: Solve for x
    x = 524,645,708.74/27,148.44
  6. Step 6: Final answer
    x = 19,325.08

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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.