Home / 20,127.66-30,192.99-5,336.25

Finding the Fourth Proportional to 20,127.66, 30,192.99 and 5,336.25

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Solution

The fourth proportional to 20,127.66, 30,192.99 and 5,336.25 is: 8,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.66 : 30,192.99 = 5,336.25 : x
  2. Step 2: Convert to fraction form
    20,127.66/30,192.99 = 5,336.25/x
  3. Step 3: Cross multiply
    20,127.66x = 30,192.99 × 5,336.25
  4. Step 4: Simplify right side
    20,127.66x = 161,117,342.89
  5. Step 5: Solve for x
    x = 161,117,342.89/20,127.66
  6. Step 6: Final answer
    x = 8,004.77

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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.