Home / 27,677.52-41,515.84-12,878.16

Finding the Fourth Proportional to 27,677.52, 41,515.84 and 12,878.16

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Solution

The fourth proportional to 27,677.52, 41,515.84 and 12,878.16 is: 19,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.52 : 41,515.84 = 12,878.16 : x
  2. Step 2: Convert to fraction form
    27,677.52/41,515.84 = 12,878.16/x
  3. Step 3: Cross multiply
    27,677.52x = 41,515.84 × 12,878.16
  4. Step 4: Simplify right side
    27,677.52x = 534,647,630.05
  5. Step 5: Solve for x
    x = 534,647,630.05/27,677.52
  6. Step 6: Final answer
    x = 19,317.04

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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.