Home / 25,780.03-38,589.15-17,727.81

Finding the Fourth Proportional to 25,780.03, 38,589.15 and 17,727.81

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Solution

The fourth proportional to 25,780.03, 38,589.15 and 17,727.81 is: 26,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.03 : 38,589.15 = 17,727.81 : x
  2. Step 2: Convert to fraction form
    25,780.03/38,589.15 = 17,727.81/x
  3. Step 3: Cross multiply
    25,780.03x = 38,589.15 × 17,727.81
  4. Step 4: Simplify right side
    25,780.03x = 684,101,067.44
  5. Step 5: Solve for x
    x = 684,101,067.44/25,780.03
  6. Step 6: Final answer
    x = 26,536.08

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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.