Home / 26,243.75-39,347.17-12,188.85

Finding the Fourth Proportional to 26,243.75, 39,347.17 and 12,188.85

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Solution

The fourth proportional to 26,243.75, 39,347.17 and 12,188.85 is: 18,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.75 : 39,347.17 = 12,188.85 : x
  2. Step 2: Convert to fraction form
    26,243.75/39,347.17 = 12,188.85/x
  3. Step 3: Cross multiply
    26,243.75x = 39,347.17 × 12,188.85
  4. Step 4: Simplify right side
    26,243.75x = 479,596,907.02
  5. Step 5: Solve for x
    x = 479,596,907.02/26,243.75
  6. Step 6: Final answer
    x = 18,274.71

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1.5x scale

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.