Home / 25,786.24-38,639.10-17,904.12

Finding the Fourth Proportional to 25,786.24, 38,639.10 and 17,904.12

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Solution

The fourth proportional to 25,786.24, 38,639.10 and 17,904.12 is: 26,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.24 : 38,639.10 = 17,904.12 : x
  2. Step 2: Convert to fraction form
    25,786.24/38,639.10 = 17,904.12/x
  3. Step 3: Cross multiply
    25,786.24x = 38,639.10 × 17,904.12
  4. Step 4: Simplify right side
    25,786.24x = 691,799,083.09
  5. Step 5: Solve for x
    x = 691,799,083.09/25,786.24
  6. Step 6: Final answer
    x = 26,828.23

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1.5x scale

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.