Home / 20,757.35-28,611.01-14,709.62

Finding the Fourth Proportional to 20,757.35, 28,611.01 and 14,709.62

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Solution

The fourth proportional to 20,757.35, 28,611.01 and 14,709.62 is: 20,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757.35 : 28,611.01 = 14,709.62 : x
  2. Step 2: Convert to fraction form
    20,757.35/28,611.01 = 14,709.62/x
  3. Step 3: Cross multiply
    20,757.35x = 28,611.01 × 14,709.62
  4. Step 4: Simplify right side
    20,757.35x = 420,857,084.92
  5. Step 5: Solve for x
    x = 420,857,084.92/20,757.35
  6. Step 6: Final answer
    x = 20,275.09

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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.