Home / 28,406.05-39,203.27-17,079.24

Finding the Fourth Proportional to 28,406.05, 39,203.27 and 17,079.24

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Solution

The fourth proportional to 28,406.05, 39,203.27 and 17,079.24 is: 23,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.05 : 39,203.27 = 17,079.24 : x
  2. Step 2: Convert to fraction form
    28,406.05/39,203.27 = 17,079.24/x
  3. Step 3: Cross multiply
    28,406.05x = 39,203.27 × 17,079.24
  4. Step 4: Simplify right side
    28,406.05x = 669,562,057.11
  5. Step 5: Solve for x
    x = 669,562,057.11/28,406.05
  6. Step 6: Final answer
    x = 23,571.11

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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.