Home / 25,790.28-38,688.31-23,141.50

Finding the Fourth Proportional to 25,790.28, 38,688.31 and 23,141.50

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Solution

The fourth proportional to 25,790.28, 38,688.31 and 23,141.50 is: 34,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.28 : 38,688.31 = 23,141.50 : x
  2. Step 2: Convert to fraction form
    25,790.28/38,688.31 = 23,141.50/x
  3. Step 3: Cross multiply
    25,790.28x = 38,688.31 × 23,141.50
  4. Step 4: Simplify right side
    25,790.28x = 895,305,525.87
  5. Step 5: Solve for x
    x = 895,305,525.87/25,790.28
  6. Step 6: Final answer
    x = 34,714.84

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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.