Home / 27,774.24-41,671.62-12,987.96

Finding the Fourth Proportional to 27,774.24, 41,671.62 and 12,987.96

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Solution

The fourth proportional to 27,774.24, 41,671.62 and 12,987.96 is: 19,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.24 : 41,671.62 = 12,987.96 : x
  2. Step 2: Convert to fraction form
    27,774.24/41,671.62 = 12,987.96/x
  3. Step 3: Cross multiply
    27,774.24x = 41,671.62 × 12,987.96
  4. Step 4: Simplify right side
    27,774.24x = 541,229,333.70
  5. Step 5: Solve for x
    x = 541,229,333.70/27,774.24
  6. Step 6: Final answer
    x = 19,486.74

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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.