Home / 25,163.70-34,725.17-14,408.21

Finding the Fourth Proportional to 25,163.70, 34,725.17 and 14,408.21

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Solution

The fourth proportional to 25,163.70, 34,725.17 and 14,408.21 is: 19,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.70 : 34,725.17 = 14,408.21 : x
  2. Step 2: Convert to fraction form
    25,163.70/34,725.17 = 14,408.21/x
  3. Step 3: Cross multiply
    25,163.70x = 34,725.17 × 14,408.21
  4. Step 4: Simplify right side
    25,163.70x = 500,327,541.65
  5. Step 5: Solve for x
    x = 500,327,541.65/25,163.70
  6. Step 6: Final answer
    x = 19,882.91

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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.