Home / 26,021.05-38,973.21-20,159.89

Finding the Fourth Proportional to 26,021.05, 38,973.21 and 20,159.89

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Solution

The fourth proportional to 26,021.05, 38,973.21 and 20,159.89 is: 30,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.05 : 38,973.21 = 20,159.89 : x
  2. Step 2: Convert to fraction form
    26,021.05/38,973.21 = 20,159.89/x
  3. Step 3: Cross multiply
    26,021.05x = 38,973.21 × 20,159.89
  4. Step 4: Simplify right side
    26,021.05x = 785,695,626.55
  5. Step 5: Solve for x
    x = 785,695,626.55/26,021.05
  6. Step 6: Final answer
    x = 30,194.62

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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.