Home / 23,136.30-34,704.45-13,780.80

Finding the Fourth Proportional to 23,136.30, 34,704.45 and 13,780.80

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Solution

The fourth proportional to 23,136.30, 34,704.45 and 13,780.80 is: 20,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.30 : 34,704.45 = 13,780.80 : x
  2. Step 2: Convert to fraction form
    23,136.30/34,704.45 = 13,780.80/x
  3. Step 3: Cross multiply
    23,136.30x = 34,704.45 × 13,780.80
  4. Step 4: Simplify right side
    23,136.30x = 478,255,084.56
  5. Step 5: Solve for x
    x = 478,255,084.56/23,136.30
  6. Step 6: Final answer
    x = 20,671.20

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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.