Home / 26,781.45-40,176.42-9,252.64

Finding the Fourth Proportional to 26,781.45, 40,176.42 and 9,252.64

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Solution

The fourth proportional to 26,781.45, 40,176.42 and 9,252.64 is: 13,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.45 : 40,176.42 = 9,252.64 : x
  2. Step 2: Convert to fraction form
    26,781.45/40,176.42 = 9,252.64/x
  3. Step 3: Cross multiply
    26,781.45x = 40,176.42 × 9,252.64
  4. Step 4: Simplify right side
    26,781.45x = 371,737,950.75
  5. Step 5: Solve for x
    x = 371,737,950.75/26,781.45
  6. Step 6: Final answer
    x = 13,880.43

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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.