Home / 28,954.28-43,401.44-13,170.26

Finding the Fourth Proportional to 28,954.28, 43,401.44 and 13,170.26

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Solution

The fourth proportional to 28,954.28, 43,401.44 and 13,170.26 is: 19,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.28 : 43,401.44 = 13,170.26 : x
  2. Step 2: Convert to fraction form
    28,954.28/43,401.44 = 13,170.26/x
  3. Step 3: Cross multiply
    28,954.28x = 43,401.44 × 13,170.26
  4. Step 4: Simplify right side
    28,954.28x = 571,608,249.17
  5. Step 5: Solve for x
    x = 571,608,249.17/28,954.28
  6. Step 6: Final answer
    x = 19,741.75

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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.