Home / 23,136.26-31,928.04-12,525.98

Finding the Fourth Proportional to 23,136.26, 31,928.04 and 12,525.98

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Solution

The fourth proportional to 23,136.26, 31,928.04 and 12,525.98 is: 17,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.26 : 31,928.04 = 12,525.98 : x
  2. Step 2: Convert to fraction form
    23,136.26/31,928.04 = 12,525.98/x
  3. Step 3: Cross multiply
    23,136.26x = 31,928.04 × 12,525.98
  4. Step 4: Simplify right side
    23,136.26x = 399,929,990.48
  5. Step 5: Solve for x
    x = 399,929,990.48/23,136.26
  6. Step 6: Final answer
    x = 17,285.85

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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.