Home / 25,216.24-34,797.92-15,790

Finding the Fourth Proportional to 25,216.24, 34,797.92 and 15,790

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Solution

The fourth proportional to 25,216.24, 34,797.92 and 15,790 is: 21,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.24 : 34,797.92 = 15,790 : x
  2. Step 2: Convert to fraction form
    25,216.24/34,797.92 = 15,790/x
  3. Step 3: Cross multiply
    25,216.24x = 34,797.92 × 15,790
  4. Step 4: Simplify right side
    25,216.24x = 549,459,156.80
  5. Step 5: Solve for x
    x = 549,459,156.80/25,216.24
  6. Step 6: Final answer
    x = 21,789.89

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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.