Home / 38,575.31-57,884.81-15,218.15

Finding the Fourth Proportional to 38,575.31, 57,884.81 and 15,218.15

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Solution

The fourth proportional to 38,575.31, 57,884.81 and 15,218.15 is: 22,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.31 : 57,884.81 = 15,218.15 : x
  2. Step 2: Convert to fraction form
    38,575.31/57,884.81 = 15,218.15/x
  3. Step 3: Cross multiply
    38,575.31x = 57,884.81 × 15,218.15
  4. Step 4: Simplify right side
    38,575.31x = 880,899,355.79
  5. Step 5: Solve for x
    x = 880,899,355.79/38,575.31
  6. Step 6: Final answer
    x = 22,835.84

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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.