Home / 28,295.25-42,378.24-13,514.62

Finding the Fourth Proportional to 28,295.25, 42,378.24 and 13,514.62

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Solution

The fourth proportional to 28,295.25, 42,378.24 and 13,514.62 is: 20,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.25 : 42,378.24 = 13,514.62 : x
  2. Step 2: Convert to fraction form
    28,295.25/42,378.24 = 13,514.62/x
  3. Step 3: Cross multiply
    28,295.25x = 42,378.24 × 13,514.62
  4. Step 4: Simplify right side
    28,295.25x = 572,725,754.60
  5. Step 5: Solve for x
    x = 572,725,754.60/28,295.25
  6. Step 6: Final answer
    x = 20,241.06

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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.