Home / 25,065.66-34,589.12-13,732.90

Finding the Fourth Proportional to 25,065.66, 34,589.12 and 13,732.90

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Solution

The fourth proportional to 25,065.66, 34,589.12 and 13,732.90 is: 18,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.66 : 34,589.12 = 13,732.90 : x
  2. Step 2: Convert to fraction form
    25,065.66/34,589.12 = 13,732.90/x
  3. Step 3: Cross multiply
    25,065.66x = 34,589.12 × 13,732.90
  4. Step 4: Simplify right side
    25,065.66x = 475,008,926.05
  5. Step 5: Solve for x
    x = 475,008,926.05/25,065.66
  6. Step 6: Final answer
    x = 18,950.59

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1.5x scale

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.