Home / 28,689.28-43,034.08-13,096

Finding the Fourth Proportional to 28,689.28, 43,034.08 and 13,096

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Solution

The fourth proportional to 28,689.28, 43,034.08 and 13,096 is: 19,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.28 : 43,034.08 = 13,096 : x
  2. Step 2: Convert to fraction form
    28,689.28/43,034.08 = 13,096/x
  3. Step 3: Cross multiply
    28,689.28x = 43,034.08 × 13,096
  4. Step 4: Simplify right side
    28,689.28x = 563,574,311.68
  5. Step 5: Solve for x
    x = 563,574,311.68/28,689.28
  6. Step 6: Final answer
    x = 19,644.07

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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.