Home / 26,205.78-39,295.88-8,669.69

Finding the Fourth Proportional to 26,205.78, 39,295.88 and 8,669.69

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Solution

The fourth proportional to 26,205.78, 39,295.88 and 8,669.69 is: 13,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.78 : 39,295.88 = 8,669.69 : x
  2. Step 2: Convert to fraction form
    26,205.78/39,295.88 = 8,669.69/x
  3. Step 3: Cross multiply
    26,205.78x = 39,295.88 × 8,669.69
  4. Step 4: Simplify right side
    26,205.78x = 340,683,097.88
  5. Step 5: Solve for x
    x = 340,683,097.88/26,205.78
  6. Step 6: Final answer
    x = 13,000.30

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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.