Home / 19,728.99-29,593.56-4,937.86

Finding the Fourth Proportional to 19,728.99, 29,593.56 and 4,937.86

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Solution

The fourth proportional to 19,728.99, 29,593.56 and 4,937.86 is: 7,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.99 : 29,593.56 = 4,937.86 : x
  2. Step 2: Convert to fraction form
    19,728.99/29,593.56 = 4,937.86/x
  3. Step 3: Cross multiply
    19,728.99x = 29,593.56 × 4,937.86
  4. Step 4: Simplify right side
    19,728.99x = 146,128,856.18
  5. Step 5: Solve for x
    x = 146,128,856.18/19,728.99
  6. Step 6: Final answer
    x = 7,406.81

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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.