Home / 27,108.70-40,670.31-13,953.88

Finding the Fourth Proportional to 27,108.70, 40,670.31 and 13,953.88

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Solution

The fourth proportional to 27,108.70, 40,670.31 and 13,953.88 is: 20,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.70 : 40,670.31 = 13,953.88 : x
  2. Step 2: Convert to fraction form
    27,108.70/40,670.31 = 13,953.88/x
  3. Step 3: Cross multiply
    27,108.70x = 40,670.31 × 13,953.88
  4. Step 4: Simplify right side
    27,108.70x = 567,508,625.30
  5. Step 5: Solve for x
    x = 567,508,625.30/27,108.70
  6. Step 6: Final answer
    x = 20,934.56

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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.