Home / 26,649.80-39,897.90-16,281.80

Finding the Fourth Proportional to 26,649.80, 39,897.90 and 16,281.80

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Solution

The fourth proportional to 26,649.80, 39,897.90 and 16,281.80 is: 24,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.80 : 39,897.90 = 16,281.80 : x
  2. Step 2: Convert to fraction form
    26,649.80/39,897.90 = 16,281.80/x
  3. Step 3: Cross multiply
    26,649.80x = 39,897.90 × 16,281.80
  4. Step 4: Simplify right side
    26,649.80x = 649,609,628.22
  5. Step 5: Solve for x
    x = 649,609,628.22/26,649.80
  6. Step 6: Final answer
    x = 24,375.78

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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.