Home / 28,370.96-42,542.20-16,528.56

Finding the Fourth Proportional to 28,370.96, 42,542.20 and 16,528.56

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Solution

The fourth proportional to 28,370.96, 42,542.20 and 16,528.56 is: 24,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.96 : 42,542.20 = 16,528.56 : x
  2. Step 2: Convert to fraction form
    28,370.96/42,542.20 = 16,528.56/x
  3. Step 3: Cross multiply
    28,370.96x = 42,542.20 × 16,528.56
  4. Step 4: Simplify right side
    28,370.96x = 703,161,305.23
  5. Step 5: Solve for x
    x = 703,161,305.23/28,370.96
  6. Step 6: Final answer
    x = 24,784.54

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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.