Home / 27,558.18-41,314.20-12,777.72

Finding the Fourth Proportional to 27,558.18, 41,314.20 and 12,777.72

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Solution

The fourth proportional to 27,558.18, 41,314.20 and 12,777.72 is: 19,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.18 : 41,314.20 = 12,777.72 : x
  2. Step 2: Convert to fraction form
    27,558.18/41,314.20 = 12,777.72/x
  3. Step 3: Cross multiply
    27,558.18x = 41,314.20 × 12,777.72
  4. Step 4: Simplify right side
    27,558.18x = 527,901,279.62
  5. Step 5: Solve for x
    x = 527,901,279.62/27,558.18
  6. Step 6: Final answer
    x = 19,155.88

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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.