Home / 25,808.96-38,687.29-17,489.81

Finding the Fourth Proportional to 25,808.96, 38,687.29 and 17,489.81

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Solution

The fourth proportional to 25,808.96, 38,687.29 and 17,489.81 is: 26,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.96 : 38,687.29 = 17,489.81 : x
  2. Step 2: Convert to fraction form
    25,808.96/38,687.29 = 17,489.81/x
  3. Step 3: Cross multiply
    25,808.96x = 38,687.29 × 17,489.81
  4. Step 4: Simplify right side
    25,808.96x = 676,633,264.07
  5. Step 5: Solve for x
    x = 676,633,264.07/25,808.96
  6. Step 6: Final answer
    x = 26,217.00

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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.