Home / 27,310.68-40,990.44-13,992.76

Finding the Fourth Proportional to 27,310.68, 40,990.44 and 13,992.76

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Solution

The fourth proportional to 27,310.68, 40,990.44 and 13,992.76 is: 21,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.68 : 40,990.44 = 13,992.76 : x
  2. Step 2: Convert to fraction form
    27,310.68/40,990.44 = 13,992.76/x
  3. Step 3: Cross multiply
    27,310.68x = 40,990.44 × 13,992.76
  4. Step 4: Simplify right side
    27,310.68x = 573,569,389.21
  5. Step 5: Solve for x
    x = 573,569,389.21/27,310.68
  6. Step 6: Final answer
    x = 21,001.65

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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.