Home / 28,832.43-43,275.60-17,760.72

Finding the Fourth Proportional to 28,832.43, 43,275.60 and 17,760.72

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Solution

The fourth proportional to 28,832.43, 43,275.60 and 17,760.72 is: 26,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.43 : 43,275.60 = 17,760.72 : x
  2. Step 2: Convert to fraction form
    28,832.43/43,275.60 = 17,760.72/x
  3. Step 3: Cross multiply
    28,832.43x = 43,275.60 × 17,760.72
  4. Step 4: Simplify right side
    28,832.43x = 768,605,814.43
  5. Step 5: Solve for x
    x = 768,605,814.43/28,832.43
  6. Step 6: Final answer
    x = 26,657.68

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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.