Home / 38,137.30-57,199.83-10,428.82

Finding the Fourth Proportional to 38,137.30, 57,199.83 and 10,428.82

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Solution

The fourth proportional to 38,137.30, 57,199.83 and 10,428.82 is: 15,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.30 : 57,199.83 = 10,428.82 : x
  2. Step 2: Convert to fraction form
    38,137.30/57,199.83 = 10,428.82/x
  3. Step 3: Cross multiply
    38,137.30x = 57,199.83 × 10,428.82
  4. Step 4: Simplify right side
    38,137.30x = 596,526,731.10
  5. Step 5: Solve for x
    x = 596,526,731.10/38,137.30
  6. Step 6: Final answer
    x = 15,641.56

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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.