Home / 19,760.28-27,253.44-16,785.96

Finding the Fourth Proportional to 19,760.28, 27,253.44 and 16,785.96

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Solution

The fourth proportional to 19,760.28, 27,253.44 and 16,785.96 is: 23,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.28 : 27,253.44 = 16,785.96 : x
  2. Step 2: Convert to fraction form
    19,760.28/27,253.44 = 16,785.96/x
  3. Step 3: Cross multiply
    19,760.28x = 27,253.44 × 16,785.96
  4. Step 4: Simplify right side
    19,760.28x = 457,475,153.70
  5. Step 5: Solve for x
    x = 457,475,153.70/19,760.28
  6. Step 6: Final answer
    x = 23,151.25

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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.