Home / 28,818.70-43,234.45-8,830.96

Finding the Fourth Proportional to 28,818.70, 43,234.45 and 8,830.96

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Solution

The fourth proportional to 28,818.70, 43,234.45 and 8,830.96 is: 13,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.70 : 43,234.45 = 8,830.96 : x
  2. Step 2: Convert to fraction form
    28,818.70/43,234.45 = 8,830.96/x
  3. Step 3: Cross multiply
    28,818.70x = 43,234.45 × 8,830.96
  4. Step 4: Simplify right side
    28,818.70x = 381,801,738.39
  5. Step 5: Solve for x
    x = 381,801,738.39/28,818.70
  6. Step 6: Final answer
    x = 13,248.40

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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.