Home / 25,500.90-38,236.50-9,900.30

Finding the Fourth Proportional to 25,500.90, 38,236.50 and 9,900.30

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Solution

The fourth proportional to 25,500.90, 38,236.50 and 9,900.30 is: 14,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.90 : 38,236.50 = 9,900.30 : x
  2. Step 2: Convert to fraction form
    25,500.90/38,236.50 = 9,900.30/x
  3. Step 3: Cross multiply
    25,500.90x = 38,236.50 × 9,900.30
  4. Step 4: Simplify right side
    25,500.90x = 378,552,820.95
  5. Step 5: Solve for x
    x = 378,552,820.95/25,500.90
  6. Step 6: Final answer
    x = 14,844.68

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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.