Home / 28,818.28-43,234.98-12,169

Finding the Fourth Proportional to 28,818.28, 43,234.98 and 12,169

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Solution

The fourth proportional to 28,818.28, 43,234.98 and 12,169 is: 18,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.28 : 43,234.98 = 12,169 : x
  2. Step 2: Convert to fraction form
    28,818.28/43,234.98 = 12,169/x
  3. Step 3: Cross multiply
    28,818.28x = 43,234.98 × 12,169
  4. Step 4: Simplify right side
    28,818.28x = 526,126,471.62
  5. Step 5: Solve for x
    x = 526,126,471.62/28,818.28
  6. Step 6: Final answer
    x = 18,256.69

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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.