Home / 26,612.07-39,914.68-12,385.63

Finding the Fourth Proportional to 26,612.07, 39,914.68 and 12,385.63

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Solution

The fourth proportional to 26,612.07, 39,914.68 and 12,385.63 is: 18,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.07 : 39,914.68 = 12,385.63 : x
  2. Step 2: Convert to fraction form
    26,612.07/39,914.68 = 12,385.63/x
  3. Step 3: Cross multiply
    26,612.07x = 39,914.68 × 12,385.63
  4. Step 4: Simplify right side
    26,612.07x = 494,368,476.98
  5. Step 5: Solve for x
    x = 494,368,476.98/26,612.07
  6. Step 6: Final answer
    x = 18,576.85

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Similar ratio
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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.