Home / 26,989.61-37,221.53-16,919.28

Finding the Fourth Proportional to 26,989.61, 37,221.53 and 16,919.28

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Solution

The fourth proportional to 26,989.61, 37,221.53 and 16,919.28 is: 23,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.61 : 37,221.53 = 16,919.28 : x
  2. Step 2: Convert to fraction form
    26,989.61/37,221.53 = 16,919.28/x
  3. Step 3: Cross multiply
    26,989.61x = 37,221.53 × 16,919.28
  4. Step 4: Simplify right side
    26,989.61x = 629,761,403.50
  5. Step 5: Solve for x
    x = 629,761,403.50/26,989.61
  6. Step 6: Final answer
    x = 23,333.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.