Home / 38,640.45-57,927.15-17,276.94

Finding the Fourth Proportional to 38,640.45, 57,927.15 and 17,276.94

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Solution

The fourth proportional to 38,640.45, 57,927.15 and 17,276.94 is: 25,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.45 : 57,927.15 = 17,276.94 : x
  2. Step 2: Convert to fraction form
    38,640.45/57,927.15 = 17,276.94/x
  3. Step 3: Cross multiply
    38,640.45x = 57,927.15 × 17,276.94
  4. Step 4: Simplify right side
    38,640.45x = 1,000,803,894.92
  5. Step 5: Solve for x
    x = 1,000,803,894.92/38,640.45
  6. Step 6: Final answer
    x = 25,900.42

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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.