Home / 25,297.86-37,887.72-19,997.28

Finding the Fourth Proportional to 25,297.86, 37,887.72 and 19,997.28

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Solution

The fourth proportional to 25,297.86, 37,887.72 and 19,997.28 is: 29,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.86 : 37,887.72 = 19,997.28 : x
  2. Step 2: Convert to fraction form
    25,297.86/37,887.72 = 19,997.28/x
  3. Step 3: Cross multiply
    25,297.86x = 37,887.72 × 19,997.28
  4. Step 4: Simplify right side
    25,297.86x = 757,651,270.41
  5. Step 5: Solve for x
    x = 757,651,270.41/25,297.86
  6. Step 6: Final answer
    x = 29,949.22

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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.