Home / 28,701.30-43,034.34-11,150.64

Finding the Fourth Proportional to 28,701.30, 43,034.34 and 11,150.64

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Solution

The fourth proportional to 28,701.30, 43,034.34 and 11,150.64 is: 16,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.30 : 43,034.34 = 11,150.64 : x
  2. Step 2: Convert to fraction form
    28,701.30/43,034.34 = 11,150.64/x
  3. Step 3: Cross multiply
    28,701.30x = 43,034.34 × 11,150.64
  4. Step 4: Simplify right side
    28,701.30x = 479,860,432.98
  5. Step 5: Solve for x
    x = 479,860,432.98/28,701.30
  6. Step 6: Final answer
    x = 16,719.12

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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.