Home / 28,982.64-39,995.28-17,043.24

Finding the Fourth Proportional to 28,982.64, 39,995.28 and 17,043.24

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Solution

The fourth proportional to 28,982.64, 39,995.28 and 17,043.24 is: 23,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.64 : 39,995.28 = 17,043.24 : x
  2. Step 2: Convert to fraction form
    28,982.64/39,995.28 = 17,043.24/x
  3. Step 3: Cross multiply
    28,982.64x = 39,995.28 × 17,043.24
  4. Step 4: Simplify right side
    28,982.64x = 681,649,155.91
  5. Step 5: Solve for x
    x = 681,649,155.91/28,982.64
  6. Step 6: Final answer
    x = 23,519.22

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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.