Home / 25,738.60-38,609.70-10,945.84

Finding the Fourth Proportional to 25,738.60, 38,609.70 and 10,945.84

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Solution

The fourth proportional to 25,738.60, 38,609.70 and 10,945.84 is: 16,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.60 : 38,609.70 = 10,945.84 : x
  2. Step 2: Convert to fraction form
    25,738.60/38,609.70 = 10,945.84/x
  3. Step 3: Cross multiply
    25,738.60x = 38,609.70 × 10,945.84
  4. Step 4: Simplify right side
    25,738.60x = 422,615,598.65
  5. Step 5: Solve for x
    x = 422,615,598.65/25,738.60
  6. Step 6: Final answer
    x = 16,419.53

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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.