Home / 38,592.64-57,874.20-13,628.02

Finding the Fourth Proportional to 38,592.64, 57,874.20 and 13,628.02

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Solution

The fourth proportional to 38,592.64, 57,874.20 and 13,628.02 is: 20,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,592.64 : 57,874.20 = 13,628.02 : x
  2. Step 2: Convert to fraction form
    38,592.64/57,874.20 = 13,628.02/x
  3. Step 3: Cross multiply
    38,592.64x = 57,874.20 × 13,628.02
  4. Step 4: Simplify right side
    38,592.64x = 788,710,755.08
  5. Step 5: Solve for x
    x = 788,710,755.08/38,592.64
  6. Step 6: Final answer
    x = 20,436.82

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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.