Home / 25,423.38-38,145.54-11,184.54

Finding the Fourth Proportional to 25,423.38, 38,145.54 and 11,184.54

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Solution

The fourth proportional to 25,423.38, 38,145.54 and 11,184.54 is: 16,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.38 : 38,145.54 = 11,184.54 : x
  2. Step 2: Convert to fraction form
    25,423.38/38,145.54 = 11,184.54/x
  3. Step 3: Cross multiply
    25,423.38x = 38,145.54 × 11,184.54
  4. Step 4: Simplify right side
    25,423.38x = 426,640,317.95
  5. Step 5: Solve for x
    x = 426,640,317.95/25,423.38
  6. Step 6: Final answer
    x = 16,781.42

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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.