Home / 38,581.71-57,872.61-13,623.27

Finding the Fourth Proportional to 38,581.71, 57,872.61 and 13,623.27

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Solution

The fourth proportional to 38,581.71, 57,872.61 and 13,623.27 is: 20,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.71 : 57,872.61 = 13,623.27 : x
  2. Step 2: Convert to fraction form
    38,581.71/57,872.61 = 13,623.27/x
  3. Step 3: Cross multiply
    38,581.71x = 57,872.61 × 13,623.27
  4. Step 4: Simplify right side
    38,581.71x = 788,414,191.63
  5. Step 5: Solve for x
    x = 788,414,191.63/38,581.71
  6. Step 6: Final answer
    x = 20,434.92

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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.