Home / 28,179.28-38,898.39-16,252.84

Finding the Fourth Proportional to 28,179.28, 38,898.39 and 16,252.84

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Solution

The fourth proportional to 28,179.28, 38,898.39 and 16,252.84 is: 22,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179.28 : 38,898.39 = 16,252.84 : x
  2. Step 2: Convert to fraction form
    28,179.28/38,898.39 = 16,252.84/x
  3. Step 3: Cross multiply
    28,179.28x = 38,898.39 × 16,252.84
  4. Step 4: Simplify right side
    28,179.28x = 632,209,308.93
  5. Step 5: Solve for x
    x = 632,209,308.93/28,179.28
  6. Step 6: Final answer
    x = 22,435.25

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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.