Home / 28,076.52-38,727.90-17,994.54

Finding the Fourth Proportional to 28,076.52, 38,727.90 and 17,994.54

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Solution

The fourth proportional to 28,076.52, 38,727.90 and 17,994.54 is: 24,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.52 : 38,727.90 = 17,994.54 : x
  2. Step 2: Convert to fraction form
    28,076.52/38,727.90 = 17,994.54/x
  3. Step 3: Cross multiply
    28,076.52x = 38,727.90 × 17,994.54
  4. Step 4: Simplify right side
    28,076.52x = 696,890,745.67
  5. Step 5: Solve for x
    x = 696,890,745.67/28,076.52
  6. Step 6: Final answer
    x = 24,821.12

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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.