Home / 25,808.45-38,686.54-17,489.31

Finding the Fourth Proportional to 25,808.45, 38,686.54 and 17,489.31

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Solution

The fourth proportional to 25,808.45, 38,686.54 and 17,489.31 is: 26,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.45 : 38,686.54 = 17,489.31 : x
  2. Step 2: Convert to fraction form
    25,808.45/38,686.54 = 17,489.31/x
  3. Step 3: Cross multiply
    25,808.45x = 38,686.54 × 17,489.31
  4. Step 4: Simplify right side
    25,808.45x = 676,600,862.73
  5. Step 5: Solve for x
    x = 676,600,862.73/25,808.45
  6. Step 6: Final answer
    x = 26,216.25

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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.