Home / 28,997.38-43,429.98-17,286.40

Finding the Fourth Proportional to 28,997.38, 43,429.98 and 17,286.40

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Solution

The fourth proportional to 28,997.38, 43,429.98 and 17,286.40 is: 25,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.38 : 43,429.98 = 17,286.40 : x
  2. Step 2: Convert to fraction form
    28,997.38/43,429.98 = 17,286.40/x
  3. Step 3: Cross multiply
    28,997.38x = 43,429.98 × 17,286.40
  4. Step 4: Simplify right side
    28,997.38x = 750,748,006.27
  5. Step 5: Solve for x
    x = 750,748,006.27/28,997.38
  6. Step 6: Final answer
    x = 25,890.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.