Home / 25,419.70-38,142.72-16,992.10

Finding the Fourth Proportional to 25,419.70, 38,142.72 and 16,992.10

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Solution

The fourth proportional to 25,419.70, 38,142.72 and 16,992.10 is: 25,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.70 : 38,142.72 = 16,992.10 : x
  2. Step 2: Convert to fraction form
    25,419.70/38,142.72 = 16,992.10/x
  3. Step 3: Cross multiply
    25,419.70x = 38,142.72 × 16,992.10
  4. Step 4: Simplify right side
    25,419.70x = 648,124,912.51
  5. Step 5: Solve for x
    x = 648,124,912.51/25,419.70
  6. Step 6: Final answer
    x = 25,496.95

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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.