Home / 22,926.44-31,589.97-21,348.61

Finding the Fourth Proportional to 22,926.44, 31,589.97 and 21,348.61

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Solution

The fourth proportional to 22,926.44, 31,589.97 and 21,348.61 is: 29,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.44 : 31,589.97 = 21,348.61 : x
  2. Step 2: Convert to fraction form
    22,926.44/31,589.97 = 21,348.61/x
  3. Step 3: Cross multiply
    22,926.44x = 31,589.97 × 21,348.61
  4. Step 4: Simplify right side
    22,926.44x = 674,401,870.47
  5. Step 5: Solve for x
    x = 674,401,870.47/22,926.44
  6. Step 6: Final answer
    x = 29,415.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.