Home / 20,444.77-28,214.04-11,491.75

Finding the Fourth Proportional to 20,444.77, 28,214.04 and 11,491.75

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Solution

The fourth proportional to 20,444.77, 28,214.04 and 11,491.75 is: 15,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.77 : 28,214.04 = 11,491.75 : x
  2. Step 2: Convert to fraction form
    20,444.77/28,214.04 = 11,491.75/x
  3. Step 3: Cross multiply
    20,444.77x = 28,214.04 × 11,491.75
  4. Step 4: Simplify right side
    20,444.77x = 324,228,694.17
  5. Step 5: Solve for x
    x = 324,228,694.17/20,444.77
  6. Step 6: Final answer
    x = 15,858.76

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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.