Home / 26,298.48-39,439.20-8,763.60

Finding the Fourth Proportional to 26,298.48, 39,439.20 and 8,763.60

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Solution

The fourth proportional to 26,298.48, 39,439.20 and 8,763.60 is: 13,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.48 : 39,439.20 = 8,763.60 : x
  2. Step 2: Convert to fraction form
    26,298.48/39,439.20 = 8,763.60/x
  3. Step 3: Cross multiply
    26,298.48x = 39,439.20 × 8,763.60
  4. Step 4: Simplify right side
    26,298.48x = 345,629,373.12
  5. Step 5: Solve for x
    x = 345,629,373.12/26,298.48
  6. Step 6: Final answer
    x = 13,142.56

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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.