Home / 26,360.80-39,539.60-10,778.24

Finding the Fourth Proportional to 26,360.80, 39,539.60 and 10,778.24

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Solution

The fourth proportional to 26,360.80, 39,539.60 and 10,778.24 is: 16,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.80 : 39,539.60 = 10,778.24 : x
  2. Step 2: Convert to fraction form
    26,360.80/39,539.60 = 10,778.24/x
  3. Step 3: Cross multiply
    26,360.80x = 39,539.60 × 10,778.24
  4. Step 4: Simplify right side
    26,360.80x = 426,167,298.30
  5. Step 5: Solve for x
    x = 426,167,298.30/26,360.80
  6. Step 6: Final answer
    x = 16,166.71

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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.