Home / 26,109.02-39,163.35-6,387.86

Finding the Fourth Proportional to 26,109.02, 39,163.35 and 6,387.86

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Solution

The fourth proportional to 26,109.02, 39,163.35 and 6,387.86 is: 9,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.02 : 39,163.35 = 6,387.86 : x
  2. Step 2: Convert to fraction form
    26,109.02/39,163.35 = 6,387.86/x
  3. Step 3: Cross multiply
    26,109.02x = 39,163.35 × 6,387.86
  4. Step 4: Simplify right side
    26,109.02x = 250,169,996.93
  5. Step 5: Solve for x
    x = 250,169,996.93/26,109.02
  6. Step 6: Final answer
    x = 9,581.75

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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.