Home / 26,607.20-39,861.60-15,519.20

Finding the Fourth Proportional to 26,607.20, 39,861.60 and 15,519.20

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Solution

The fourth proportional to 26,607.20, 39,861.60 and 15,519.20 is: 23,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.20 : 39,861.60 = 15,519.20 : x
  2. Step 2: Convert to fraction form
    26,607.20/39,861.60 = 15,519.20/x
  3. Step 3: Cross multiply
    26,607.20x = 39,861.60 × 15,519.20
  4. Step 4: Simplify right side
    26,607.20x = 618,620,142.72
  5. Step 5: Solve for x
    x = 618,620,142.72/26,607.20
  6. Step 6: Final answer
    x = 23,250.10

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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.