Home / 26,255.35-39,388.90-9,615.05

Finding the Fourth Proportional to 26,255.35, 39,388.90 and 9,615.05

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Solution

The fourth proportional to 26,255.35, 39,388.90 and 9,615.05 is: 14,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.35 : 39,388.90 = 9,615.05 : x
  2. Step 2: Convert to fraction form
    26,255.35/39,388.90 = 9,615.05/x
  3. Step 3: Cross multiply
    26,255.35x = 39,388.90 × 9,615.05
  4. Step 4: Simplify right side
    26,255.35x = 378,726,242.95
  5. Step 5: Solve for x
    x = 378,726,242.95/26,255.35
  6. Step 6: Final answer
    x = 14,424.73

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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.