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Finding the Fourth Proportional to 26,552.80, 39,828.72 and 8,084.80

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Solution

The fourth proportional to 26,552.80, 39,828.72 and 8,084.80 is: 12,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.80 : 39,828.72 = 8,084.80 : x
  2. Step 2: Convert to fraction form
    26,552.80/39,828.72 = 8,084.80/x
  3. Step 3: Cross multiply
    26,552.80x = 39,828.72 × 8,084.80
  4. Step 4: Simplify right side
    26,552.80x = 322,007,235.46
  5. Step 5: Solve for x
    x = 322,007,235.46/26,552.80
  6. Step 6: Final answer
    x = 12,127.05

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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.