Home / 20,446.80-30,631.08-17,136.22

Finding the Fourth Proportional to 20,446.80, 30,631.08 and 17,136.22

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Solution

The fourth proportional to 20,446.80, 30,631.08 and 17,136.22 is: 25,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.80 : 30,631.08 = 17,136.22 : x
  2. Step 2: Convert to fraction form
    20,446.80/30,631.08 = 17,136.22/x
  3. Step 3: Cross multiply
    20,446.80x = 30,631.08 × 17,136.22
  4. Step 4: Simplify right side
    20,446.80x = 524,900,925.72
  5. Step 5: Solve for x
    x = 524,900,925.72/20,446.80
  6. Step 6: Final answer
    x = 25,671.54

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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.