Home / 26,829.43-40,170.26-13,617.18

Finding the Fourth Proportional to 26,829.43, 40,170.26 and 13,617.18

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Solution

The fourth proportional to 26,829.43, 40,170.26 and 13,617.18 is: 20,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.43 : 40,170.26 = 13,617.18 : x
  2. Step 2: Convert to fraction form
    26,829.43/40,170.26 = 13,617.18/x
  3. Step 3: Cross multiply
    26,829.43x = 40,170.26 × 13,617.18
  4. Step 4: Simplify right side
    26,829.43x = 547,005,695.11
  5. Step 5: Solve for x
    x = 547,005,695.11/26,829.43
  6. Step 6: Final answer
    x = 20,388.27

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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.