Home / 20,314.84-28,025.58-11,927.56

Finding the Fourth Proportional to 20,314.84, 28,025.58 and 11,927.56

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Solution

The fourth proportional to 20,314.84, 28,025.58 and 11,927.56 is: 16,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.84 : 28,025.58 = 11,927.56 : x
  2. Step 2: Convert to fraction form
    20,314.84/28,025.58 = 11,927.56/x
  3. Step 3: Cross multiply
    20,314.84x = 28,025.58 × 11,927.56
  4. Step 4: Simplify right side
    20,314.84x = 334,276,786.98
  5. Step 5: Solve for x
    x = 334,276,786.98/20,314.84
  6. Step 6: Final answer
    x = 16,454.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.