Home / 26,435.60-39,655.92-8,910.80

Finding the Fourth Proportional to 26,435.60, 39,655.92 and 8,910.80

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Solution

The fourth proportional to 26,435.60, 39,655.92 and 8,910.80 is: 13,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.60 : 39,655.92 = 8,910.80 : x
  2. Step 2: Convert to fraction form
    26,435.60/39,655.92 = 8,910.80/x
  3. Step 3: Cross multiply
    26,435.60x = 39,655.92 × 8,910.80
  4. Step 4: Simplify right side
    26,435.60x = 353,365,971.94
  5. Step 5: Solve for x
    x = 353,365,971.94/26,435.60
  6. Step 6: Final answer
    x = 13,367.05

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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.