Home / 26,970.43-40,449.16-13,816.03

Finding the Fourth Proportional to 26,970.43, 40,449.16 and 13,816.03

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Solution

The fourth proportional to 26,970.43, 40,449.16 and 13,816.03 is: 20,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.43 : 40,449.16 = 13,816.03 : x
  2. Step 2: Convert to fraction form
    26,970.43/40,449.16 = 13,816.03/x
  3. Step 3: Cross multiply
    26,970.43x = 40,449.16 × 13,816.03
  4. Step 4: Simplify right side
    26,970.43x = 558,846,808.03
  5. Step 5: Solve for x
    x = 558,846,808.03/26,970.43
  6. Step 6: Final answer
    x = 20,720.72

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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.