Home / 28,929.28-43,394.64-8,152

Finding the Fourth Proportional to 28,929.28, 43,394.64 and 8,152

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Solution

The fourth proportional to 28,929.28, 43,394.64 and 8,152 is: 12,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.28 : 43,394.64 = 8,152 : x
  2. Step 2: Convert to fraction form
    28,929.28/43,394.64 = 8,152/x
  3. Step 3: Cross multiply
    28,929.28x = 43,394.64 × 8,152
  4. Step 4: Simplify right side
    28,929.28x = 353,753,105.28
  5. Step 5: Solve for x
    x = 353,753,105.28/28,929.28
  6. Step 6: Final answer
    x = 12,228.20

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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.