Home / 26,173.54-39,254.82-8,639.38

Finding the Fourth Proportional to 26,173.54, 39,254.82 and 8,639.38

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Solution

The fourth proportional to 26,173.54, 39,254.82 and 8,639.38 is: 12,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.54 : 39,254.82 = 8,639.38 : x
  2. Step 2: Convert to fraction form
    26,173.54/39,254.82 = 8,639.38/x
  3. Step 3: Cross multiply
    26,173.54x = 39,254.82 × 8,639.38
  4. Step 4: Simplify right side
    26,173.54x = 339,137,306.81
  5. Step 5: Solve for x
    x = 339,137,306.81/26,173.54
  6. Step 6: Final answer
    x = 12,957.26

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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.