Home / 19,269.90-28,902.96-13,671.52

Finding the Fourth Proportional to 19,269.90, 28,902.96 and 13,671.52

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Solution

The fourth proportional to 19,269.90, 28,902.96 and 13,671.52 is: 20,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.90 : 28,902.96 = 13,671.52 : x
  2. Step 2: Convert to fraction form
    19,269.90/28,902.96 = 13,671.52/x
  3. Step 3: Cross multiply
    19,269.90x = 28,902.96 × 13,671.52
  4. Step 4: Simplify right side
    19,269.90x = 395,147,323.44
  5. Step 5: Solve for x
    x = 395,147,323.44/19,269.90
  6. Step 6: Final answer
    x = 20,505.94

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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.