Home / 25,719.29-35,493.63-15,108.83

Finding the Fourth Proportional to 25,719.29, 35,493.63 and 15,108.83

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Solution

The fourth proportional to 25,719.29, 35,493.63 and 15,108.83 is: 20,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.29 : 35,493.63 = 15,108.83 : x
  2. Step 2: Convert to fraction form
    25,719.29/35,493.63 = 15,108.83/x
  3. Step 3: Cross multiply
    25,719.29x = 35,493.63 × 15,108.83
  4. Step 4: Simplify right side
    25,719.29x = 536,267,221.75
  5. Step 5: Solve for x
    x = 536,267,221.75/25,719.29
  6. Step 6: Final answer
    x = 20,850.78

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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.