Home / 26,132.80-39,187.86-9,487.30

Finding the Fourth Proportional to 26,132.80, 39,187.86 and 9,487.30

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Solution

The fourth proportional to 26,132.80, 39,187.86 and 9,487.30 is: 14,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.80 : 39,187.86 = 9,487.30 : x
  2. Step 2: Convert to fraction form
    26,132.80/39,187.86 = 9,487.30/x
  3. Step 3: Cross multiply
    26,132.80x = 39,187.86 × 9,487.30
  4. Step 4: Simplify right side
    26,132.80x = 371,786,984.18
  5. Step 5: Solve for x
    x = 371,786,984.18/26,132.80
  6. Step 6: Final answer
    x = 14,226.83

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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.