Home / 28,719.76-43,006.16-26,056.48

Finding the Fourth Proportional to 28,719.76, 43,006.16 and 26,056.48

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Solution

The fourth proportional to 28,719.76, 43,006.16 and 26,056.48 is: 39,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.76 : 43,006.16 = 26,056.48 : x
  2. Step 2: Convert to fraction form
    28,719.76/43,006.16 = 26,056.48/x
  3. Step 3: Cross multiply
    28,719.76x = 43,006.16 × 26,056.48
  4. Step 4: Simplify right side
    28,719.76x = 1,120,589,147.92
  5. Step 5: Solve for x
    x = 1,120,589,147.92/28,719.76
  6. Step 6: Final answer
    x = 39,018.05

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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.