Home / 26,375.89-39,510.82-12,316.52

Finding the Fourth Proportional to 26,375.89, 39,510.82 and 12,316.52

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Solution

The fourth proportional to 26,375.89, 39,510.82 and 12,316.52 is: 18,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.89 : 39,510.82 = 12,316.52 : x
  2. Step 2: Convert to fraction form
    26,375.89/39,510.82 = 12,316.52/x
  3. Step 3: Cross multiply
    26,375.89x = 39,510.82 × 12,316.52
  4. Step 4: Simplify right side
    26,375.89x = 486,635,576.40
  5. Step 5: Solve for x
    x = 486,635,576.40/26,375.89
  6. Step 6: Final answer
    x = 18,450.02

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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.