Home / 26,155.56-39,235.80-8,625.54

Finding the Fourth Proportional to 26,155.56, 39,235.80 and 8,625.54

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Solution

The fourth proportional to 26,155.56, 39,235.80 and 8,625.54 is: 12,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.56 : 39,235.80 = 8,625.54 : x
  2. Step 2: Convert to fraction form
    26,155.56/39,235.80 = 8,625.54/x
  3. Step 3: Cross multiply
    26,155.56x = 39,235.80 × 8,625.54
  4. Step 4: Simplify right side
    26,155.56x = 338,429,962.33
  5. Step 5: Solve for x
    x = 338,429,962.33/26,155.56
  6. Step 6: Final answer
    x = 12,939.12

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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.