Home / 20,924.43-31,311.44-15,363.98

Finding the Fourth Proportional to 20,924.43, 31,311.44 and 15,363.98

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Solution

The fourth proportional to 20,924.43, 31,311.44 and 15,363.98 is: 22,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.43 : 31,311.44 = 15,363.98 : x
  2. Step 2: Convert to fraction form
    20,924.43/31,311.44 = 15,363.98/x
  3. Step 3: Cross multiply
    20,924.43x = 31,311.44 × 15,363.98
  4. Step 4: Simplify right side
    20,924.43x = 481,068,337.93
  5. Step 5: Solve for x
    x = 481,068,337.93/20,924.43
  6. Step 6: Final answer
    x = 22,990.75

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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.