Home / 26,649.60-39,974.40-16,756.80

Finding the Fourth Proportional to 26,649.60, 39,974.40 and 16,756.80

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Solution

The fourth proportional to 26,649.60, 39,974.40 and 16,756.80 is: 25,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.60 : 39,974.40 = 16,756.80 : x
  2. Step 2: Convert to fraction form
    26,649.60/39,974.40 = 16,756.80/x
  3. Step 3: Cross multiply
    26,649.60x = 39,974.40 × 16,756.80
  4. Step 4: Simplify right side
    26,649.60x = 669,843,025.92
  5. Step 5: Solve for x
    x = 669,843,025.92/26,649.60
  6. Step 6: Final answer
    x = 25,135.20

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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.