Home / 26,971.11-40,429.46-11,154.31

Finding the Fourth Proportional to 26,971.11, 40,429.46 and 11,154.31

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Solution

The fourth proportional to 26,971.11, 40,429.46 and 11,154.31 is: 16,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.11 : 40,429.46 = 11,154.31 : x
  2. Step 2: Convert to fraction form
    26,971.11/40,429.46 = 11,154.31/x
  3. Step 3: Cross multiply
    26,971.11x = 40,429.46 × 11,154.31
  4. Step 4: Simplify right side
    26,971.11x = 450,962,656.78
  5. Step 5: Solve for x
    x = 450,962,656.78/26,971.11
  6. Step 6: Final answer
    x = 16,720.21

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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.