Home / 25,558.20-38,289.78-13,881.24

Finding the Fourth Proportional to 25,558.20, 38,289.78 and 13,881.24

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Solution

The fourth proportional to 25,558.20, 38,289.78 and 13,881.24 is: 20,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.20 : 38,289.78 = 13,881.24 : x
  2. Step 2: Convert to fraction form
    25,558.20/38,289.78 = 13,881.24/x
  3. Step 3: Cross multiply
    25,558.20x = 38,289.78 × 13,881.24
  4. Step 4: Simplify right side
    25,558.20x = 531,509,625.73
  5. Step 5: Solve for x
    x = 531,509,625.73/25,558.20
  6. Step 6: Final answer
    x = 20,796.05

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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.