Home / 28,786.34-39,743.52-23,493.80

Finding the Fourth Proportional to 28,786.34, 39,743.52 and 23,493.80

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Solution

The fourth proportional to 28,786.34, 39,743.52 and 23,493.80 is: 32,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.34 : 39,743.52 = 23,493.80 : x
  2. Step 2: Convert to fraction form
    28,786.34/39,743.52 = 23,493.80/x
  3. Step 3: Cross multiply
    28,786.34x = 39,743.52 × 23,493.80
  4. Step 4: Simplify right side
    28,786.34x = 933,726,310.18
  5. Step 5: Solve for x
    x = 933,726,310.18/28,786.34
  6. Step 6: Final answer
    x = 32,436.44

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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.