Home / 27,498.78-41,255.15-12,718.31

Finding the Fourth Proportional to 27,498.78, 41,255.15 and 12,718.31

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Solution

The fourth proportional to 27,498.78, 41,255.15 and 12,718.31 is: 19,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.78 : 41,255.15 = 12,718.31 : x
  2. Step 2: Convert to fraction form
    27,498.78/41,255.15 = 12,718.31/x
  3. Step 3: Cross multiply
    27,498.78x = 41,255.15 × 12,718.31
  4. Step 4: Simplify right side
    27,498.78x = 524,695,516.93
  5. Step 5: Solve for x
    x = 524,695,516.93/27,498.78
  6. Step 6: Final answer
    x = 19,080.68

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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.