Home / 28,777.56-43,167.15-8,001.06

Finding the Fourth Proportional to 28,777.56, 43,167.15 and 8,001.06

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Solution

The fourth proportional to 28,777.56, 43,167.15 and 8,001.06 is: 12,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.56 : 43,167.15 = 8,001.06 : x
  2. Step 2: Convert to fraction form
    28,777.56/43,167.15 = 8,001.06/x
  3. Step 3: Cross multiply
    28,777.56x = 43,167.15 × 8,001.06
  4. Step 4: Simplify right side
    28,777.56x = 345,382,957.18
  5. Step 5: Solve for x
    x = 345,382,957.18/28,777.56
  6. Step 6: Final answer
    x = 12,001.82

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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.