Home / 27,350.25-37,733.20-20,977.98

Finding the Fourth Proportional to 27,350.25, 37,733.20 and 20,977.98

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Solution

The fourth proportional to 27,350.25, 37,733.20 and 20,977.98 is: 28,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,350.25 : 37,733.20 = 20,977.98 : x
  2. Step 2: Convert to fraction form
    27,350.25/37,733.20 = 20,977.98/x
  3. Step 3: Cross multiply
    27,350.25x = 37,733.20 × 20,977.98
  4. Step 4: Simplify right side
    27,350.25x = 791,566,314.94
  5. Step 5: Solve for x
    x = 791,566,314.94/27,350.25
  6. Step 6: Final answer
    x = 28,941.83

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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.