Home / 25,622.70-35,362.90-15,015.76

Finding the Fourth Proportional to 25,622.70, 35,362.90 and 15,015.76

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Solution

The fourth proportional to 25,622.70, 35,362.90 and 15,015.76 is: 20,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.70 : 35,362.90 = 15,015.76 : x
  2. Step 2: Convert to fraction form
    25,622.70/35,362.90 = 15,015.76/x
  3. Step 3: Cross multiply
    25,622.70x = 35,362.90 × 15,015.76
  4. Step 4: Simplify right side
    25,622.70x = 531,000,819.30
  5. Step 5: Solve for x
    x = 531,000,819.30/25,622.70
  6. Step 6: Final answer
    x = 20,723.84

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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.