Home / 27,471.12-41,177.94-12,689.72

Finding the Fourth Proportional to 27,471.12, 41,177.94 and 12,689.72

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Solution

The fourth proportional to 27,471.12, 41,177.94 and 12,689.72 is: 19,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,471.12 : 41,177.94 = 12,689.72 : x
  2. Step 2: Convert to fraction form
    27,471.12/41,177.94 = 12,689.72/x
  3. Step 3: Cross multiply
    27,471.12x = 41,177.94 × 12,689.72
  4. Step 4: Simplify right side
    27,471.12x = 522,536,528.78
  5. Step 5: Solve for x
    x = 522,536,528.78/27,471.12
  6. Step 6: Final answer
    x = 19,021.30

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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.