Home / 47,997.20-72,006.60-28,265.60

Finding the Fourth Proportional to 47,997.20, 72,006.60 and 28,265.60

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Solution

The fourth proportional to 47,997.20, 72,006.60 and 28,265.60 is: 42,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.20 : 72,006.60 = 28,265.60 : x
  2. Step 2: Convert to fraction form
    47,997.20/72,006.60 = 28,265.60/x
  3. Step 3: Cross multiply
    47,997.20x = 72,006.60 × 28,265.60
  4. Step 4: Simplify right side
    47,997.20x = 2,035,309,752.96
  5. Step 5: Solve for x
    x = 2,035,309,752.96/47,997.20
  6. Step 6: Final answer
    x = 42,404.76

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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.