Home / 28,895.30-43,349.60-12,255.98

Finding the Fourth Proportional to 28,895.30, 43,349.60 and 12,255.98

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Solution

The fourth proportional to 28,895.30, 43,349.60 and 12,255.98 is: 18,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.30 : 43,349.60 = 12,255.98 : x
  2. Step 2: Convert to fraction form
    28,895.30/43,349.60 = 12,255.98/x
  3. Step 3: Cross multiply
    28,895.30x = 43,349.60 × 12,255.98
  4. Step 4: Simplify right side
    28,895.30x = 531,291,552.58
  5. Step 5: Solve for x
    x = 531,291,552.58/28,895.30
  6. Step 6: Final answer
    x = 18,386.78

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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.