Home / 38,108.72-57,163.10-15,909.99

Finding the Fourth Proportional to 38,108.72, 57,163.10 and 15,909.99

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Solution

The fourth proportional to 38,108.72, 57,163.10 and 15,909.99 is: 23,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.72 : 57,163.10 = 15,909.99 : x
  2. Step 2: Convert to fraction form
    38,108.72/57,163.10 = 15,909.99/x
  3. Step 3: Cross multiply
    38,108.72x = 57,163.10 × 15,909.99
  4. Step 4: Simplify right side
    38,108.72x = 909,464,269.82
  5. Step 5: Solve for x
    x = 909,464,269.82/38,108.72
  6. Step 6: Final answer
    x = 23,864.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.