Home / 38,627.20-57,929.64-17,555.50

Finding the Fourth Proportional to 38,627.20, 57,929.64 and 17,555.50

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Solution

The fourth proportional to 38,627.20, 57,929.64 and 17,555.50 is: 26,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.20 : 57,929.64 = 17,555.50 : x
  2. Step 2: Convert to fraction form
    38,627.20/57,929.64 = 17,555.50/x
  3. Step 3: Cross multiply
    38,627.20x = 57,929.64 × 17,555.50
  4. Step 4: Simplify right side
    38,627.20x = 1,016,983,795.02
  5. Step 5: Solve for x
    x = 1,016,983,795.02/38,627.20
  6. Step 6: Final answer
    x = 26,328.18

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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.