Home / 26,300.48-39,442.20-8,765.60

Finding the Fourth Proportional to 26,300.48, 39,442.20 and 8,765.60

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Solution

The fourth proportional to 26,300.48, 39,442.20 and 8,765.60 is: 13,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.48 : 39,442.20 = 8,765.60 : x
  2. Step 2: Convert to fraction form
    26,300.48/39,442.20 = 8,765.60/x
  3. Step 3: Cross multiply
    26,300.48x = 39,442.20 × 8,765.60
  4. Step 4: Simplify right side
    26,300.48x = 345,734,548.32
  5. Step 5: Solve for x
    x = 345,734,548.32/26,300.48
  6. Step 6: Final answer
    x = 13,145.56

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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.