Home / 25,886.88-35,731-15,141.04

Finding the Fourth Proportional to 25,886.88, 35,731 and 15,141.04

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Solution

The fourth proportional to 25,886.88, 35,731 and 15,141.04 is: 20,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.88 : 35,731 = 15,141.04 : x
  2. Step 2: Convert to fraction form
    25,886.88/35,731 = 15,141.04/x
  3. Step 3: Cross multiply
    25,886.88x = 35,731 × 15,141.04
  4. Step 4: Simplify right side
    25,886.88x = 541,004,500.24
  5. Step 5: Solve for x
    x = 541,004,500.24/25,886.88
  6. Step 6: Final answer
    x = 20,898.79

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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.