Home / 27,422.55-41,137.47-12,634.79

Finding the Fourth Proportional to 27,422.55, 41,137.47 and 12,634.79

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Solution

The fourth proportional to 27,422.55, 41,137.47 and 12,634.79 is: 18,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.55 : 41,137.47 = 12,634.79 : x
  2. Step 2: Convert to fraction form
    27,422.55/41,137.47 = 12,634.79/x
  3. Step 3: Cross multiply
    27,422.55x = 41,137.47 × 12,634.79
  4. Step 4: Simplify right side
    27,422.55x = 519,763,088.89
  5. Step 5: Solve for x
    x = 519,763,088.89/27,422.55
  6. Step 6: Final answer
    x = 18,953.86

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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.