Home / 25,539.36-35,245.16-15,469.68

Finding the Fourth Proportional to 25,539.36, 35,245.16 and 15,469.68

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Solution

The fourth proportional to 25,539.36, 35,245.16 and 15,469.68 is: 21,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.36 : 35,245.16 = 15,469.68 : x
  2. Step 2: Convert to fraction form
    25,539.36/35,245.16 = 15,469.68/x
  3. Step 3: Cross multiply
    25,539.36x = 35,245.16 × 15,469.68
  4. Step 4: Simplify right side
    25,539.36x = 545,231,346.75
  5. Step 5: Solve for x
    x = 545,231,346.75/25,539.36
  6. Step 6: Final answer
    x = 21,348.67

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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.