Home / 25,354.88-34,940.40-18,267.92

Finding the Fourth Proportional to 25,354.88, 34,940.40 and 18,267.92

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Solution

The fourth proportional to 25,354.88, 34,940.40 and 18,267.92 is: 25,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.88 : 34,940.40 = 18,267.92 : x
  2. Step 2: Convert to fraction form
    25,354.88/34,940.40 = 18,267.92/x
  3. Step 3: Cross multiply
    25,354.88x = 34,940.40 × 18,267.92
  4. Step 4: Simplify right side
    25,354.88x = 638,288,431.97
  5. Step 5: Solve for x
    x = 638,288,431.97/25,354.88
  6. Step 6: Final answer
    x = 25,174.18

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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.