Home / 25,288.68-34,898.30-13,958.88

Finding the Fourth Proportional to 25,288.68, 34,898.30 and 13,958.88

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Solution

The fourth proportional to 25,288.68, 34,898.30 and 13,958.88 is: 19,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.68 : 34,898.30 = 13,958.88 : x
  2. Step 2: Convert to fraction form
    25,288.68/34,898.30 = 13,958.88/x
  3. Step 3: Cross multiply
    25,288.68x = 34,898.30 × 13,958.88
  4. Step 4: Simplify right side
    25,288.68x = 487,141,181.90
  5. Step 5: Solve for x
    x = 487,141,181.90/25,288.68
  6. Step 6: Final answer
    x = 19,263.21

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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.