Home / 26,115.89-39,173.81-9,475.88

Finding the Fourth Proportional to 26,115.89, 39,173.81 and 9,475.88

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Solution

The fourth proportional to 26,115.89, 39,173.81 and 9,475.88 is: 14,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.89 : 39,173.81 = 9,475.88 : x
  2. Step 2: Convert to fraction form
    26,115.89/39,173.81 = 9,475.88/x
  3. Step 3: Cross multiply
    26,115.89x = 39,173.81 × 9,475.88
  4. Step 4: Simplify right side
    26,115.89x = 371,206,079.45
  5. Step 5: Solve for x
    x = 371,206,079.45/26,115.89
  6. Step 6: Final answer
    x = 14,213.80

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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.