Home / 25,610.34-38,420.55-10,819.20

Finding the Fourth Proportional to 25,610.34, 38,420.55 and 10,819.20

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Solution

The fourth proportional to 25,610.34, 38,420.55 and 10,819.20 is: 16,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.34 : 38,420.55 = 10,819.20 : x
  2. Step 2: Convert to fraction form
    25,610.34/38,420.55 = 10,819.20/x
  3. Step 3: Cross multiply
    25,610.34x = 38,420.55 × 10,819.20
  4. Step 4: Simplify right side
    25,610.34x = 415,679,614.56
  5. Step 5: Solve for x
    x = 415,679,614.56/25,610.34
  6. Step 6: Final answer
    x = 16,230.93

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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.