Home / 38,890.72-58,338.24-11,188

Finding the Fourth Proportional to 38,890.72, 58,338.24 and 11,188

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Solution

The fourth proportional to 38,890.72, 58,338.24 and 11,188 is: 16,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.72 : 58,338.24 = 11,188 : x
  2. Step 2: Convert to fraction form
    38,890.72/58,338.24 = 11,188/x
  3. Step 3: Cross multiply
    38,890.72x = 58,338.24 × 11,188
  4. Step 4: Simplify right side
    38,890.72x = 652,688,229.12
  5. Step 5: Solve for x
    x = 652,688,229.12/38,890.72
  6. Step 6: Final answer
    x = 16,782.62

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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.