Home / 28,409.32-39,201.06-17,229.16

Finding the Fourth Proportional to 28,409.32, 39,201.06 and 17,229.16

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Solution

The fourth proportional to 28,409.32, 39,201.06 and 17,229.16 is: 23,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.32 : 39,201.06 = 17,229.16 : x
  2. Step 2: Convert to fraction form
    28,409.32/39,201.06 = 17,229.16/x
  3. Step 3: Cross multiply
    28,409.32x = 39,201.06 × 17,229.16
  4. Step 4: Simplify right side
    28,409.32x = 675,401,334.91
  5. Step 5: Solve for x
    x = 675,401,334.91/28,409.32
  6. Step 6: Final answer
    x = 23,773.94

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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.