Home / 38,828.34-58,228.14-13,861.68

Finding the Fourth Proportional to 38,828.34, 58,228.14 and 13,861.68

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Solution

The fourth proportional to 38,828.34, 58,228.14 and 13,861.68 is: 20,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.34 : 58,228.14 = 13,861.68 : x
  2. Step 2: Convert to fraction form
    38,828.34/58,228.14 = 13,861.68/x
  3. Step 3: Cross multiply
    38,828.34x = 58,228.14 × 13,861.68
  4. Step 4: Simplify right side
    38,828.34x = 807,139,843.68
  5. Step 5: Solve for x
    x = 807,139,843.68/38,828.34
  6. Step 6: Final answer
    x = 20,787.39

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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.