Home / 28,644.38-39,529.52-16,069.40

Finding the Fourth Proportional to 28,644.38, 39,529.52 and 16,069.40

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Solution

The fourth proportional to 28,644.38, 39,529.52 and 16,069.40 is: 22,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.38 : 39,529.52 = 16,069.40 : x
  2. Step 2: Convert to fraction form
    28,644.38/39,529.52 = 16,069.40/x
  3. Step 3: Cross multiply
    28,644.38x = 39,529.52 × 16,069.40
  4. Step 4: Simplify right side
    28,644.38x = 635,215,390.69
  5. Step 5: Solve for x
    x = 635,215,390.69/28,644.38
  6. Step 6: Final answer
    x = 22,175.92

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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.