Home / 25,954.29-38,917.60-13,443.30

Finding the Fourth Proportional to 25,954.29, 38,917.60 and 13,443.30

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Solution

The fourth proportional to 25,954.29, 38,917.60 and 13,443.30 is: 20,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.29 : 38,917.60 = 13,443.30 : x
  2. Step 2: Convert to fraction form
    25,954.29/38,917.60 = 13,443.30/x
  3. Step 3: Cross multiply
    25,954.29x = 38,917.60 × 13,443.30
  4. Step 4: Simplify right side
    25,954.29x = 523,180,938.47
  5. Step 5: Solve for x
    x = 523,180,938.47/25,954.29
  6. Step 6: Final answer
    x = 20,157.78

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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.