Home / 20,059.32-27,691.08-14,321.28

Finding the Fourth Proportional to 20,059.32, 27,691.08 and 14,321.28

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Solution

The fourth proportional to 20,059.32, 27,691.08 and 14,321.28 is: 19,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.32 : 27,691.08 = 14,321.28 : x
  2. Step 2: Convert to fraction form
    20,059.32/27,691.08 = 14,321.28/x
  3. Step 3: Cross multiply
    20,059.32x = 27,691.08 × 14,321.28
  4. Step 4: Simplify right side
    20,059.32x = 396,571,710.18
  5. Step 5: Solve for x
    x = 396,571,710.18/20,059.32
  6. Step 6: Final answer
    x = 19,769.95

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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.