Home / 27,778.56-41,730.56-16,120.32

Finding the Fourth Proportional to 27,778.56, 41,730.56 and 16,120.32

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Solution

The fourth proportional to 27,778.56, 41,730.56 and 16,120.32 is: 24,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.56 : 41,730.56 = 16,120.32 : x
  2. Step 2: Convert to fraction form
    27,778.56/41,730.56 = 16,120.32/x
  3. Step 3: Cross multiply
    27,778.56x = 41,730.56 × 16,120.32
  4. Step 4: Simplify right side
    27,778.56x = 672,709,980.98
  5. Step 5: Solve for x
    x = 672,709,980.98/27,778.56
  6. Step 6: Final answer
    x = 24,216.88

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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.