Home / 20,377.50-30,558.95-11,024.43

Finding the Fourth Proportional to 20,377.50, 30,558.95 and 11,024.43

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Solution

The fourth proportional to 20,377.50, 30,558.95 and 11,024.43 is: 16,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.50 : 30,558.95 = 11,024.43 : x
  2. Step 2: Convert to fraction form
    20,377.50/30,558.95 = 11,024.43/x
  3. Step 3: Cross multiply
    20,377.50x = 30,558.95 × 11,024.43
  4. Step 4: Simplify right side
    20,377.50x = 336,895,005.15
  5. Step 5: Solve for x
    x = 336,895,005.15/20,377.50
  6. Step 6: Final answer
    x = 16,532.70

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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.