Home / 25,778.70-38,830.05-23,453.64

Finding the Fourth Proportional to 25,778.70, 38,830.05 and 23,453.64

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Solution

The fourth proportional to 25,778.70, 38,830.05 and 23,453.64 is: 35,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.70 : 38,830.05 = 23,453.64 : x
  2. Step 2: Convert to fraction form
    25,778.70/38,830.05 = 23,453.64/x
  3. Step 3: Cross multiply
    25,778.70x = 38,830.05 × 23,453.64
  4. Step 4: Simplify right side
    25,778.70x = 910,706,013.88
  5. Step 5: Solve for x
    x = 910,706,013.88/25,778.70
  6. Step 6: Final answer
    x = 35,327.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.