Home / 25,719.92-35,505.03-15,110.21

Finding the Fourth Proportional to 25,719.92, 35,505.03 and 15,110.21

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Solution

The fourth proportional to 25,719.92, 35,505.03 and 15,110.21 is: 20,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.92 : 35,505.03 = 15,110.21 : x
  2. Step 2: Convert to fraction form
    25,719.92/35,505.03 = 15,110.21/x
  3. Step 3: Cross multiply
    25,719.92x = 35,505.03 × 15,110.21
  4. Step 4: Simplify right side
    25,719.92x = 536,488,459.36
  5. Step 5: Solve for x
    x = 536,488,459.36/25,719.92
  6. Step 6: Final answer
    x = 20,858.87

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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.