Home / 27,422.72-41,134.08-19,251.20

Finding the Fourth Proportional to 27,422.72, 41,134.08 and 19,251.20

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Solution

The fourth proportional to 27,422.72, 41,134.08 and 19,251.20 is: 28,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.72 : 41,134.08 = 19,251.20 : x
  2. Step 2: Convert to fraction form
    27,422.72/41,134.08 = 19,251.20/x
  3. Step 3: Cross multiply
    27,422.72x = 41,134.08 × 19,251.20
  4. Step 4: Simplify right side
    27,422.72x = 791,880,400.90
  5. Step 5: Solve for x
    x = 791,880,400.90/27,422.72
  6. Step 6: Final answer
    x = 28,876.80

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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.