Home / 25,871.13-35,695.83-15,795.90

Finding the Fourth Proportional to 25,871.13, 35,695.83 and 15,795.90

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Solution

The fourth proportional to 25,871.13, 35,695.83 and 15,795.90 is: 21,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.13 : 35,695.83 = 15,795.90 : x
  2. Step 2: Convert to fraction form
    25,871.13/35,695.83 = 15,795.90/x
  3. Step 3: Cross multiply
    25,871.13x = 35,695.83 × 15,795.90
  4. Step 4: Simplify right side
    25,871.13x = 563,847,761.10
  5. Step 5: Solve for x
    x = 563,847,761.10/25,871.13
  6. Step 6: Final answer
    x = 21,794.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.